656157604

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{997}}^1\times {\mathrm{4013}}^1$

素因数の和:5055

約数の個数: 24

約数和(自身を含む): 1177755768

約数和(自身を除く): 521598164

約数列:

[1, 2, 4, 41, 82, 164, 997, 1994, 3988, 4013, 8026, 16052, 40877, 81754, 163508, 164533, 329066, 658132, 4000961, 8001922, 16003844, 164039401, 328078802, 656157604]

約数ペア:

[(1, 656157604), (2, 328078802), (4, 164039401), (41, 16003844), (82, 8001922), (164, 4000961), (997, 658132), (1994, 329066), (3988, 164533), (4013, 163508), (8026, 81754), (16052, 40877)]