90261457

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 112896000

約数和(自身を除く): 22634543

約数列:

[1, 11, 13, 19, 139, 143, 209, 239, 247, 1529, 1807, 2629, 2641, 2717, 3107, 4541, 19877, 29051, 33221, 34177, 34333, 49951, 59033, 365431, 377663, 431873, 631199, 649363, 4750603, 6943189, 8205587, 90261457]

約数ペア:

[(1, 90261457), (11, 8205587), (13, 6943189), (19, 4750603), (139, 649363), (143, 631199), (209, 431873), (239, 377663), (247, 365431), (1529, 59033), (1807, 49951), (2629, 34333), (2641, 34177), (2717, 33221), (3107, 29051), (4541, 19877)]