128951576

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1239919}}^1$

素因数の和:1239938

約数の個数: 16

約数和(自身を含む): 260383200

約数和(自身を除く): 131431624

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1239919, 2479838, 4959676, 9919352, 16118947, 32237894, 64475788, 128951576]

約数ペア:

[(1, 128951576), (2, 64475788), (4, 32237894), (8, 16118947), (13, 9919352), (26, 4959676), (52, 2479838), (104, 1239919)]