291891288

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:449

約数の個数: 128

約数和(自身を含む): 821882880

約数和(自身を除く): 529991592

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 93, 103, 104, 124, 156, 186, 206, 248, 293, 309, 312, 372, 403, 412, 586, 618, 744, 806, 824, 879, 1172, 1209, 1236, 1339, 1612, 1758, 2344, 2418, 2472, 2678, 3193, 3224, 3516, 3809, 4017, 4836, 5356, 6386, 7032, 7618, 8034, 9083, 9579, 9672, 10712, 11427, 12772, 15236, 16068, 18166, 19158, 22854, 25544, 27249, 30179, 30472, 32136, 36332, 38316, 41509, 45708, 54498, 60358, 72664, 76632, 83018, 90537, 91416, 108996, 118079, 120716, 124527, 166036, 181074, 217992, 236158, 241432, 249054, 332072, 354237, 362148, 392327, 472316, 498108, 708474, 724296, 784654, 935549, 944632, 996216, 1176981, 1416948, 1569308, 1871098, 2353962, 2806647, 2833896, 3138616, 3742196, 4707924, 5613294, 7484392, 9415848, 11226588, 12162137, 22453176, 24324274, 36486411, 48648548, 72972822, 97297096, 145945644, 291891288]

約数ペア:

[(1, 291891288), (2, 145945644), (3, 97297096), (4, 72972822), (6, 48648548), (8, 36486411), (12, 24324274), (13, 22453176), (24, 12162137), (26, 11226588), (31, 9415848), (39, 7484392), (52, 5613294), (62, 4707924), (78, 3742196), (93, 3138616), (103, 2833896), (104, 2806647), (124, 2353962), (156, 1871098), (186, 1569308), (206, 1416948), (248, 1176981), (293, 996216), (309, 944632), (312, 935549), (372, 784654), (403, 724296), (412, 708474), (586, 498108), (618, 472316), (744, 392327), (806, 362148), (824, 354237), (879, 332072), (1172, 249054), (1209, 241432), (1236, 236158), (1339, 217992), (1612, 181074), (1758, 166036), (2344, 124527), (2418, 120716), (2472, 118079), (2678, 108996), (3193, 91416), (3224, 90537), (3516, 83018), (3809, 76632), (4017, 72664), (4836, 60358), (5356, 54498), (6386, 45708), (7032, 41509), (7618, 38316), (8034, 36332), (9083, 32136), (9579, 30472), (9672, 30179), (10712, 27249), (11427, 25544), (12772, 22854), (15236, 19158), (16068, 18166)]