317703620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1221937}}^1$

素因数の和:1221959

約数の個数: 24

約数和(自身を含む): 718499544

約数和(自身を除く): 400795924

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1221937, 2443874, 4887748, 6109685, 12219370, 15885181, 24438740, 31770362, 63540724, 79425905, 158851810, 317703620]

約数ペア:

[(1, 317703620), (2, 158851810), (4, 79425905), (5, 63540724), (10, 31770362), (13, 24438740), (20, 15885181), (26, 12219370), (52, 6109685), (65, 4887748), (130, 2443874), (260, 1221937)]