31234555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 42882048

約数和(自身を除く): 11647493

約数列:

[1, 5, 11, 43, 47, 55, 215, 235, 281, 473, 517, 1405, 2021, 2365, 2585, 3091, 10105, 12083, 13207, 15455, 22231, 60415, 66035, 111155, 132913, 145277, 567901, 664565, 726385, 2839505, 6246911, 31234555]

約数ペア:

[(1, 31234555), (5, 6246911), (11, 2839505), (43, 726385), (47, 664565), (55, 567901), (215, 145277), (235, 132913), (281, 111155), (473, 66035), (517, 60415), (1405, 22231), (2021, 15455), (2365, 13207), (2585, 12083), (3091, 10105)]