31151510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{8263}}^1$

素因数の和:8312

約数の個数: 32

約数和(自身を含む): 62475840

約数和(自身を除く): 31324330

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 8263, 16526, 41315, 82630, 107419, 214838, 239627, 479254, 537095, 1074190, 1198135, 2396270, 3115151, 6230302, 15575755, 31151510]

約数ペア:

[(1, 31151510), (2, 15575755), (5, 6230302), (10, 3115151), (13, 2396270), (26, 1198135), (29, 1074190), (58, 537095), (65, 479254), (130, 239627), (145, 214838), (290, 107419), (377, 82630), (754, 41315), (1885, 16526), (3770, 8263)]