2691445

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{691}}^1$

素因数の和:756

約数の個数: 16

約数和(自身を含む): 3487680

約数和(自身を除く): 796235

約数列:

[1, 5, 19, 41, 95, 205, 691, 779, 3455, 3895, 13129, 28331, 65645, 141655, 538289, 2691445]

約数ペア:

[(1, 2691445), (5, 538289), (19, 141655), (41, 65645), (95, 28331), (205, 13129), (691, 3895), (779, 3455)]