686611436

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1$

素因数の和:188

約数の個数: 144

約数和(自身を含む): 1601510400

約数和(自身を除く): 914898964

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 31, 34, 38, 62, 68, 76, 79, 119, 124, 133, 158, 217, 238, 266, 316, 323, 434, 476, 527, 532, 553, 589, 646, 868, 961, 1054, 1106, 1178, 1292, 1343, 1501, 1922, 2108, 2212, 2261, 2356, 2449, 2686, 3002, 3689, 3844, 4123, 4522, 4898, 5372, 6004, 6727, 7378, 8246, 9044, 9401, 9796, 10013, 10507, 13454, 14756, 16337, 16492, 17143, 18259, 18802, 20026, 21014, 25517, 26908, 32674, 34286, 36518, 37604, 40052, 41633, 42028, 46531, 51034, 65348, 68572, 70091, 73036, 75919, 83266, 93062, 102068, 114359, 127813, 140182, 151838, 166532, 178619, 186124, 228718, 255626, 280364, 291431, 303676, 310403, 325717, 357238, 457436, 511252, 531433, 582862, 620806, 651434, 714476, 791027, 1062866, 1165724, 1241612, 1290623, 1302868, 1442461, 1582054, 2125732, 2172821, 2581246, 2884922, 3164108, 4345642, 5162492, 5537189, 5769844, 8691284, 9034361, 10097227, 11074378, 18068722, 20194454, 22148756, 24521837, 36137444, 40388908, 49043674, 98087348, 171652859, 343305718, 686611436]

約数ペア:

[(1, 686611436), (2, 343305718), (4, 171652859), (7, 98087348), (14, 49043674), (17, 40388908), (19, 36137444), (28, 24521837), (31, 22148756), (34, 20194454), (38, 18068722), (62, 11074378), (68, 10097227), (76, 9034361), (79, 8691284), (119, 5769844), (124, 5537189), (133, 5162492), (158, 4345642), (217, 3164108), (238, 2884922), (266, 2581246), (316, 2172821), (323, 2125732), (434, 1582054), (476, 1442461), (527, 1302868), (532, 1290623), (553, 1241612), (589, 1165724), (646, 1062866), (868, 791027), (961, 714476), (1054, 651434), (1106, 620806), (1178, 582862), (1292, 531433), (1343, 511252), (1501, 457436), (1922, 357238), (2108, 325717), (2212, 310403), (2261, 303676), (2356, 291431), (2449, 280364), (2686, 255626), (3002, 228718), (3689, 186124), (3844, 178619), (4123, 166532), (4522, 151838), (4898, 140182), (5372, 127813), (6004, 114359), (6727, 102068), (7378, 93062), (8246, 83266), (9044, 75919), (9401, 73036), (9796, 70091), (10013, 68572), (10507, 65348), (13454, 51034), (14756, 46531), (16337, 42028), (16492, 41633), (17143, 40052), (18259, 37604), (18802, 36518), (20026, 34286), (21014, 32674), (25517, 26908)]