25629136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{123217}}^1$

素因数の和:123238

約数の個数: 20

約数和(自身を含む): 53476612

約数和(自身を除く): 27847476

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 123217, 246434, 492868, 985736, 1601821, 1971472, 3203642, 6407284, 12814568, 25629136]

約数ペア:

[(1, 25629136), (2, 12814568), (4, 6407284), (8, 3203642), (13, 1971472), (16, 1601821), (26, 985736), (52, 492868), (104, 246434), (208, 123217)]