397567404

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{6689}}^1$

素因数の和:6839

約数の個数: 72

約数和(自身を含む): 1090951680

約数和(自身を除く): 693384276

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 127, 156, 234, 254, 381, 468, 508, 762, 1143, 1524, 1651, 2286, 3302, 4572, 4953, 6604, 6689, 9906, 13378, 14859, 19812, 20067, 26756, 29718, 40134, 59436, 60201, 80268, 86957, 120402, 173914, 240804, 260871, 347828, 521742, 782613, 849503, 1043484, 1565226, 1699006, 2548509, 3130452, 3398012, 5097018, 7645527, 10194036, 11043539, 15291054, 22087078, 30582108, 33130617, 44174156, 66261234, 99391851, 132522468, 198783702, 397567404]

約数ペア:

[(1, 397567404), (2, 198783702), (3, 132522468), (4, 99391851), (6, 66261234), (9, 44174156), (12, 33130617), (13, 30582108), (18, 22087078), (26, 15291054), (36, 11043539), (39, 10194036), (52, 7645527), (78, 5097018), (117, 3398012), (127, 3130452), (156, 2548509), (234, 1699006), (254, 1565226), (381, 1043484), (468, 849503), (508, 782613), (762, 521742), (1143, 347828), (1524, 260871), (1651, 240804), (2286, 173914), (3302, 120402), (4572, 86957), (4953, 80268), (6604, 60201), (6689, 59436), (9906, 40134), (13378, 29718), (14859, 26756), (19812, 20067)]