81212618450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{95544257}}^1$

素因数の和:95544286

約数の個数: 24

約数和(自身を含む): 159941087892

約数和(自身を除く): 78728469442

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 425, 850, 95544257, 191088514, 477721285, 955442570, 1624252369, 2388606425, 3248504738, 4777212850, 8121261845, 16242523690, 40606309225, 81212618450]

約数ペア:

[(1, 81212618450), (2, 40606309225), (5, 16242523690), (10, 8121261845), (17, 4777212850), (25, 3248504738), (34, 2388606425), (50, 1624252369), (85, 955442570), (170, 477721285), (425, 191088514), (850, 95544257)]