81665282

素因数分解:

$2^1\times {\mathrm{163}}^1\times {\mathrm{397}}^1\times {\mathrm{631}}^1$

素因数の和:1193

約数の個数: 16

約数和(自身を含む): 123755712

約数和(自身を除く): 42090430

約数列:

[1, 2, 163, 326, 397, 631, 794, 1262, 64711, 102853, 129422, 205706, 250507, 501014, 40832641, 81665282]

約数ペア:

[(1, 81665282), (2, 40832641), (163, 501014), (326, 250507), (397, 205706), (631, 129422), (794, 102853), (1262, 64711)]