90219913

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{1087}}^1$

素因数の和:1332

約数の個数: 16

約数和(自身を含む): 105283584

約数和(自身を除く): 15063671

約数列:

[1, 7, 71, 167, 497, 1087, 1169, 7609, 11857, 77177, 82999, 181529, 540239, 1270703, 12888559, 90219913]

約数ペア:

[(1, 90219913), (7, 12888559), (71, 1270703), (167, 540239), (497, 181529), (1087, 82999), (1169, 77177), (7609, 11857)]