261646847

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1459}}^1$

素因数の和:1631

約数の個数: 32

約数和(自身を含む): 348157440

約数和(自身を除く): 86510593

約数列:

[1, 7, 11, 17, 77, 119, 137, 187, 959, 1309, 1459, 1507, 2329, 10213, 10549, 16049, 16303, 24803, 25619, 112343, 173621, 179333, 199883, 272833, 1399181, 1909831, 2198713, 3398011, 15390991, 23786077, 37378121, 261646847]

約数ペア:

[(1, 261646847), (7, 37378121), (11, 23786077), (17, 15390991), (77, 3398011), (119, 2198713), (137, 1909831), (187, 1399181), (959, 272833), (1309, 199883), (1459, 179333), (1507, 173621), (2329, 112343), (10213, 25619), (10549, 24803), (16049, 16303)]