218908456

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{123817}}^1$

素因数の和:123853

約数の個数: 32

約数和(自身を含む): 468032040

約数和(自身を除く): 249123584

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 123817, 247634, 495268, 990536, 1609621, 2104889, 3219242, 4209778, 6438484, 8419556, 12876968, 16839112, 27363557, 54727114, 109454228, 218908456]

約数ペア:

[(1, 218908456), (2, 109454228), (4, 54727114), (8, 27363557), (13, 16839112), (17, 12876968), (26, 8419556), (34, 6438484), (52, 4209778), (68, 3219242), (104, 2104889), (136, 1609621), (221, 990536), (442, 495268), (884, 247634), (1768, 123817)]