71716970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{1637}}^1$

素因数の和:1994

約数の個数: 32

約数和(自身を含む): 139518288

約数和(自身を除く): 67801318

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 337, 674, 1637, 1685, 3274, 3370, 4381, 8185, 8762, 16370, 21281, 21905, 42562, 43810, 106405, 212810, 551669, 1103338, 2758345, 5516690, 7171697, 14343394, 35858485, 71716970]

約数ペア:

[(1, 71716970), (2, 35858485), (5, 14343394), (10, 7171697), (13, 5516690), (26, 2758345), (65, 1103338), (130, 551669), (337, 212810), (674, 106405), (1637, 43810), (1685, 42562), (3274, 21905), (3370, 21281), (4381, 16370), (8185, 8762)]