70721898

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{906691}}^1$

素因数の和:906709

約数の個数: 16

約数和(自身を含む): 152324256

約数和(自身を除く): 81602358

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 906691, 1813382, 2720073, 5440146, 11786983, 23573966, 35360949, 70721898]

約数ペア:

[(1, 70721898), (2, 35360949), (3, 23573966), (6, 11786983), (13, 5440146), (26, 2720073), (39, 1813382), (78, 906691)]