661577744

素因数分解:

$2^4\times {\mathrm{3571}}^1\times {\mathrm{11579}}^1$

素因数の和:15158

約数の個数: 20

約数和(自身を含む): 1282276560

約数和(自身を除く): 620698816

約数列:

[1, 2, 4, 8, 16, 3571, 7142, 11579, 14284, 23158, 28568, 46316, 57136, 92632, 185264, 41348609, 82697218, 165394436, 330788872, 661577744]

約数ペア:

[(1, 661577744), (2, 330788872), (4, 165394436), (8, 82697218), (16, 41348609), (3571, 185264), (7142, 92632), (11579, 57136), (14284, 46316), (23158, 28568)]