20161488385

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{811}}^1\times {\mathrm{292471}}^1$

素因数の和:293304

約数の個数: 16

約数和(自身を含む): 25648624512

約数和(自身を除く): 5487136127

約数列:

[1, 5, 17, 85, 811, 4055, 13787, 68935, 292471, 1462355, 4972007, 24860035, 237193981, 1185969905, 4032297677, 20161488385]

約数ペア:

[(1, 20161488385), (5, 4032297677), (17, 1185969905), (85, 237193981), (811, 24860035), (4055, 4972007), (13787, 1462355), (68935, 292471)]