278980832

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{670627}}^1$

素因数の和:670650

約数の個数: 24

約数和(自身を含む): 591493896

約数和(自身を除く): 312513064

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 670627, 1341254, 2682508, 5365016, 8718151, 10730032, 17436302, 21460064, 34872604, 69745208, 139490416, 278980832]

約数ペア:

[(1, 278980832), (2, 139490416), (4, 69745208), (8, 34872604), (13, 21460064), (16, 17436302), (26, 10730032), (32, 8718151), (52, 5365016), (104, 2682508), (208, 1341254), (416, 670627)]