139477390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{82531}}^1$

素因数の和:82564

約数の個数: 24

約数和(自身を含む): 271860408

約数和(自身を除く): 132383018

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 82531, 165062, 412655, 825310, 1072903, 2145806, 5364515, 10729030, 13947739, 27895478, 69738695, 139477390]

約数ペア:

[(1, 139477390), (2, 69738695), (5, 27895478), (10, 13947739), (13, 10729030), (26, 5364515), (65, 2145806), (130, 1072903), (169, 825310), (338, 412655), (845, 165062), (1690, 82531)]