31689268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{5393}}^1$

素因数の和:5523

約数の個数: 24

約数和(自身を含む): 60261768

約数和(自身を除く): 28572500

約数列:

[1, 2, 4, 13, 26, 52, 113, 226, 452, 1469, 2938, 5393, 5876, 10786, 21572, 70109, 140218, 280436, 609409, 1218818, 2437636, 7922317, 15844634, 31689268]

約数ペア:

[(1, 31689268), (2, 15844634), (4, 7922317), (13, 2437636), (26, 1218818), (52, 609409), (113, 280436), (226, 140218), (452, 70109), (1469, 21572), (2938, 10786), (5393, 5876)]