31309136

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{17317}}^1$

素因数の和:17438

約数の個数: 20

約数和(自身を含む): 61201812

約数和(自身を除く): 29892676

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 17317, 34634, 69268, 138536, 277072, 1956821, 3913642, 7827284, 15654568, 31309136]

約数ペア:

[(1, 31309136), (2, 15654568), (4, 7827284), (8, 3913642), (16, 1956821), (113, 277072), (226, 138536), (452, 69268), (904, 34634), (1808, 17317)]