2180222

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{877}}^1$

素因数の和:1003

約数の個数: 16

約数和(自身を含む): 3603312

約数和(自身を除く): 1423090

約数列:

[1, 2, 11, 22, 113, 226, 877, 1243, 1754, 2486, 9647, 19294, 99101, 198202, 1090111, 2180222]

約数ペア:

[(1, 2180222), (2, 1090111), (11, 198202), (22, 99101), (113, 19294), (226, 9647), (877, 2486), (1243, 1754)]