71463860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{274861}}^1$

素因数の和:274883

約数の個数: 24

約数和(自身を含む): 161618856

約数和(自身を除く): 90154996

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 274861, 549722, 1099444, 1374305, 2748610, 3573193, 5497220, 7146386, 14292772, 17865965, 35731930, 71463860]

約数ペア:

[(1, 71463860), (2, 35731930), (4, 17865965), (5, 14292772), (10, 7146386), (13, 5497220), (20, 3573193), (26, 2748610), (52, 1374305), (65, 1099444), (130, 549722), (260, 274861)]