138661688

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{15601}}^1$

素因数の和:15719

約数の個数: 32

約数和(自身を含む): 286452720

約数和(自身を除く): 147791032

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 101, 202, 404, 808, 1111, 2222, 4444, 8888, 15601, 31202, 62404, 124808, 171611, 343222, 686444, 1372888, 1575701, 3151402, 6302804, 12605608, 17332711, 34665422, 69330844, 138661688]

約数ペア:

[(1, 138661688), (2, 69330844), (4, 34665422), (8, 17332711), (11, 12605608), (22, 6302804), (44, 3151402), (88, 1575701), (101, 1372888), (202, 686444), (404, 343222), (808, 171611), (1111, 124808), (2222, 62404), (4444, 31202), (8888, 15601)]