656943978

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1\times {\mathrm{4201}}^1$

素因数の和:4662

約数の個数: 32

約数和(自身を含む): 1337244480

約数和(自身を除く): 680300502

約数列:

[1, 2, 3, 6, 67, 134, 201, 389, 402, 778, 1167, 2334, 4201, 8402, 12603, 25206, 26063, 52126, 78189, 156378, 281467, 562934, 844401, 1634189, 1688802, 3268378, 4902567, 9805134, 109490663, 218981326, 328471989, 656943978]

約数ペア:

[(1, 656943978), (2, 328471989), (3, 218981326), (6, 109490663), (67, 9805134), (134, 4902567), (201, 3268378), (389, 1688802), (402, 1634189), (778, 844401), (1167, 562934), (2334, 281467), (4201, 156378), (8402, 78189), (12603, 52126), (25206, 26063)]