81205454

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{99761}}^1$

素因数の和:99811

約数の個数: 16

約数和(自身を含む): 136474416

約数和(自身を除く): 55268962

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 99761, 199522, 1097371, 2194742, 3691157, 7382314, 40602727, 81205454]

約数ペア:

[(1, 81205454), (2, 40602727), (11, 7382314), (22, 3691157), (37, 2194742), (74, 1097371), (407, 199522), (814, 99761)]