31279690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{8297}}^1$

素因数の和:8346

約数の個数: 32

約数和(自身を含む): 62732880

約数和(自身を除く): 31453190

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 8297, 16594, 41485, 82970, 107861, 215722, 240613, 481226, 539305, 1078610, 1203065, 2406130, 3127969, 6255938, 15639845, 31279690]

約数ペア:

[(1, 31279690), (2, 15639845), (5, 6255938), (10, 3127969), (13, 2406130), (26, 1203065), (29, 1078610), (58, 539305), (65, 481226), (130, 240613), (145, 215722), (290, 107861), (377, 82970), (754, 41485), (1885, 16594), (3770, 8297)]