87661948

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{4091}}^1$

素因数の和:4593

約数の個数: 24

約数和(自身を含む): 167739264

約数和(自身を除く): 80077316

約数列:

[1, 2, 4, 11, 22, 44, 487, 974, 1948, 4091, 5357, 8182, 10714, 16364, 21428, 45001, 90002, 180004, 1992317, 3984634, 7969268, 21915487, 43830974, 87661948]

約数ペア:

[(1, 87661948), (2, 43830974), (4, 21915487), (11, 7969268), (22, 3984634), (44, 1992317), (487, 180004), (974, 90002), (1948, 45001), (4091, 21428), (5357, 16364), (8182, 10714)]