221591305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{30169}}^1$

素因数の和:30300

約数の個数: 16

約数和(自身を含む): 288907920

約数和(自身を除く): 67316615

約数列:

[1, 5, 13, 65, 113, 565, 1469, 7345, 30169, 150845, 392197, 1960985, 3409097, 17045485, 44318261, 221591305]

約数ペア:

[(1, 221591305), (5, 44318261), (13, 17045485), (65, 3409097), (113, 1960985), (565, 392197), (1469, 150845), (7345, 30169)]