17920402565

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{316531}}^1$

素因数の和:316629

約数の個数: 24

約数和(自身を含む): 23633545248

約数和(自身を除く): 5713142683

約数列:

[1, 5, 13, 65, 67, 169, 335, 845, 871, 4355, 11323, 56615, 316531, 1582655, 4114903, 20574515, 21207577, 53493739, 106037885, 267468695, 275698501, 1378492505, 3584080513, 17920402565]

約数ペア:

[(1, 17920402565), (5, 3584080513), (13, 1378492505), (65, 275698501), (67, 267468695), (169, 106037885), (335, 53493739), (845, 21207577), (871, 20574515), (4355, 4114903), (11323, 1582655), (56615, 316531)]