81900166

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1\times {\mathrm{1987}}^1$

素因数の和:2583

約数の個数: 16

約数和(自身を含む): 126460656

約数和(自身を除く): 44560490

約数列:

[1, 2, 37, 74, 557, 1114, 1987, 3974, 20609, 41218, 73519, 147038, 1106759, 2213518, 40950083, 81900166]

約数ペア:

[(1, 81900166), (2, 40950083), (37, 2213518), (74, 1106759), (557, 147038), (1114, 73519), (1987, 41218), (3974, 20609)]