30991805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{1201}}^1$

素因数の和:1616

約数の個数: 16

約数和(自身を含む): 40185264

約数和(自身を除く): 9193459

約数列:

[1, 5, 13, 65, 397, 1201, 1985, 5161, 6005, 15613, 25805, 78065, 476797, 2383985, 6198361, 30991805]

約数ペア:

[(1, 30991805), (5, 6198361), (13, 2383985), (65, 476797), (397, 78065), (1201, 25805), (1985, 15613), (5161, 6005)]