1390985816

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{15806657}}^1$

素因数の和:15806674

約数の個数: 16

約数和(自身を含む): 2845198440

約数和(自身を除く): 1454212624

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 15806657, 31613314, 63226628, 126453256, 173873227, 347746454, 695492908, 1390985816]

約数ペア:

[(1, 1390985816), (2, 695492908), (4, 347746454), (8, 173873227), (11, 126453256), (22, 63226628), (44, 31613314), (88, 15806657)]