12961748

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{421}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 23395680

約数和(自身を除く): 10433932

約数列:

[1, 2, 4, 43, 86, 172, 179, 358, 421, 716, 842, 1684, 7697, 15394, 18103, 30788, 36206, 72412, 75359, 150718, 301436, 3240437, 6480874, 12961748]

約数ペア:

[(1, 12961748), (2, 6480874), (4, 3240437), (43, 301436), (86, 150718), (172, 75359), (179, 72412), (358, 36206), (421, 30788), (716, 18103), (842, 15394), (1684, 7697)]