640530858

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{9705013}}^1$

素因数の和:9705029

約数の個数: 16

約数和(自身を含む): 1397522016

約数和(自身を除く): 756991158

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 9705013, 19410026, 29115039, 58230078, 106755143, 213510286, 320265429, 640530858]

約数ペア:

[(1, 640530858), (2, 320265429), (3, 213510286), (6, 106755143), (11, 58230078), (22, 29115039), (33, 19410026), (66, 9705013)]