128440910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{988007}}^1$

素因数の和:988027

約数の個数: 16

約数和(自身を含む): 248978016

約数和(自身を除く): 120537106

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 988007, 1976014, 4940035, 9880070, 12844091, 25688182, 64220455, 128440910]

約数ペア:

[(1, 128440910), (2, 64220455), (5, 25688182), (10, 12844091), (13, 9880070), (26, 4940035), (65, 1976014), (130, 988007)]