128788388092

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:449

約数の個数: 216

約数和(自身を含む): 291773841408

約数和(自身を除く): 162985453316

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 127, 169, 182, 217, 223, 254, 338, 364, 403, 434, 446, 508, 676, 806, 868, 889, 892, 961, 1183, 1561, 1612, 1651, 1778, 1922, 2366, 2821, 2899, 3122, 3302, 3556, 3844, 3937, 4732, 5239, 5642, 5798, 6244, 6604, 6727, 6913, 7874, 10478, 11284, 11557, 11596, 12493, 13454, 13826, 15748, 20293, 20956, 21463, 23114, 24986, 26908, 27559, 27652, 28321, 36673, 37687, 40586, 42926, 46228, 48391, 49972, 51181, 55118, 56642, 73346, 75374, 81172, 85852, 87451, 89869, 96782, 102362, 110236, 113284, 122047, 146692, 150241, 150748, 162409, 174902, 179738, 193564, 198247, 204724, 214303, 244094, 263809, 300482, 324818, 349804, 358267, 359476, 368173, 396494, 428606, 488188, 527618, 600964, 629083, 649636, 665353, 716534, 736346, 792988, 854329, 857212, 877951, 1055236, 1136863, 1168297, 1258166, 1330706, 1433068, 1472692, 1500121, 1586611, 1708658, 1755902, 2273726, 2336594, 2516332, 2577211, 2661412, 2785939, 3000242, 3173222, 3417316, 3511804, 4547452, 4657471, 4673188, 4786249, 5154422, 5571878, 6000484, 6145657, 6346444, 8178079, 9314942, 9572498, 10308844, 11106277, 11143756, 11413363, 12291314, 16356158, 18629884, 19144996, 19501573, 20625943, 22212554, 22826726, 24582628, 27216481, 32712316, 33503743, 36217207, 39003146, 41251886, 44425108, 45653452, 54432962, 67007486, 72434414, 78006292, 79893541, 82503772, 108865924, 134014972, 144381601, 144868828, 148373719, 159787082, 190515367, 253520449, 288763202, 296747438, 319574164, 353814253, 381030734, 507040898, 577526404, 593494876, 707628506, 762061468, 1014081796, 1038616033, 1415257012, 2077232066, 2476699771, 4154464132, 4599585289, 4953399542, 9199170578, 9906799084, 18398341156, 32197097023, 64394194046, 128788388092]

約数ペア:

[(1, 128788388092), (2, 64394194046), (4, 32197097023), (7, 18398341156), (13, 9906799084), (14, 9199170578), (26, 4953399542), (28, 4599585289), (31, 4154464132), (52, 2476699771), (62, 2077232066), (91, 1415257012), (124, 1038616033), (127, 1014081796), (169, 762061468), (182, 707628506), (217, 593494876), (223, 577526404), (254, 507040898), (338, 381030734), (364, 353814253), (403, 319574164), (434, 296747438), (446, 288763202), (508, 253520449), (676, 190515367), (806, 159787082), (868, 148373719), (889, 144868828), (892, 144381601), (961, 134014972), (1183, 108865924), (1561, 82503772), (1612, 79893541), (1651, 78006292), (1778, 72434414), (1922, 67007486), (2366, 54432962), (2821, 45653452), (2899, 44425108), (3122, 41251886), (3302, 39003146), (3556, 36217207), (3844, 33503743), (3937, 32712316), (4732, 27216481), (5239, 24582628), (5642, 22826726), (5798, 22212554), (6244, 20625943), (6604, 19501573), (6727, 19144996), (6913, 18629884), (7874, 16356158), (10478, 12291314), (11284, 11413363), (11557, 11143756), (11596, 11106277), (12493, 10308844), (13454, 9572498), (13826, 9314942), (15748, 8178079), (20293, 6346444), (20956, 6145657), (21463, 6000484), (23114, 5571878), (24986, 5154422), (26908, 4786249), (27559, 4673188), (27652, 4657471), (28321, 4547452), (36673, 3511804), (37687, 3417316), (40586, 3173222), (42926, 3000242), (46228, 2785939), (48391, 2661412), (49972, 2577211), (51181, 2516332), (55118, 2336594), (56642, 2273726), (73346, 1755902), (75374, 1708658), (81172, 1586611), (85852, 1500121), (87451, 1472692), (89869, 1433068), (96782, 1330706), (102362, 1258166), (110236, 1168297), (113284, 1136863), (122047, 1055236), (146692, 877951), (150241, 857212), (150748, 854329), (162409, 792988), (174902, 736346), (179738, 716534), (193564, 665353), (198247, 649636), (204724, 629083), (214303, 600964), (244094, 527618), (263809, 488188), (300482, 428606), (324818, 396494), (349804, 368173), (358267, 359476)]