66635644

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{197}}^1\times {\mathrm{821}}^1$

素因数の和:1125

約数の個数: 24

約数和(自身を含む): 118486368

約数和(自身を除く): 51850724

約数列:

[1, 2, 4, 103, 197, 206, 394, 412, 788, 821, 1642, 3284, 20291, 40582, 81164, 84563, 161737, 169126, 323474, 338252, 646948, 16658911, 33317822, 66635644]

約数ペア:

[(1, 66635644), (2, 33317822), (4, 16658911), (103, 646948), (197, 338252), (206, 323474), (394, 169126), (412, 161737), (788, 84563), (821, 81164), (1642, 40582), (3284, 20291)]