2220220838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{642797}}^1$

素因数の和:642967

約数の個数: 16

約数和(自身を含む): 3656235024

約数和(自身を除く): 1436014186

約数列:

[1, 2, 11, 22, 157, 314, 1727, 3454, 642797, 1285594, 7070767, 14141534, 100919129, 201838258, 1110110419, 2220220838]

約数ペア:

[(1, 2220220838), (2, 1110110419), (11, 201838258), (22, 100919129), (157, 14141534), (314, 7070767), (1727, 1285594), (3454, 642797)]