221457778

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{823}}^1\times {\mathrm{1621}}^1$

素因数の和:2529

約数の個数: 16

約数和(自身を含む): 336805056

約数和(自身を除く): 115347278

約数列:

[1, 2, 83, 166, 823, 1621, 1646, 3242, 68309, 134543, 136618, 269086, 1334083, 2668166, 110728889, 221457778]

約数ペア:

[(1, 221457778), (2, 110728889), (83, 2668166), (166, 1334083), (823, 269086), (1621, 136618), (1646, 134543), (3242, 68309)]