72100087708

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1638638357}}^1$

素因数の和:1638638372

約数の個数: 12

約数和(自身を含む): 137645622072

約数和(自身を除く): 65545534364

約数列:

[1, 2, 4, 11, 22, 44, 1638638357, 3277276714, 6554553428, 18025021927, 36050043854, 72100087708]

約数ペア:

[(1, 72100087708), (2, 36050043854), (4, 18025021927), (11, 6554553428), (22, 3277276714), (44, 1638638357)]