71681968

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{154487}}^1$

素因数の和:154524

約数の個数: 20

約数和(自身を含む): 143673840

約数和(自身を除く): 71991872

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 154487, 308974, 617948, 1235896, 2471792, 4480123, 8960246, 17920492, 35840984, 71681968]

約数ペア:

[(1, 71681968), (2, 35840984), (4, 17920492), (8, 8960246), (16, 4480123), (29, 2471792), (58, 1235896), (116, 617948), (232, 308974), (464, 154487)]