221789905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{617}}^1\times {\mathrm{4229}}^1$

素因数の和:4868

約数の個数: 16

約数和(自身を含む): 282327120

約数和(自身を除く): 60537215

約数列:

[1, 5, 17, 85, 617, 3085, 4229, 10489, 21145, 52445, 71893, 359465, 2609293, 13046465, 44357981, 221789905]

約数ペア:

[(1, 221789905), (5, 44357981), (17, 13046465), (85, 2609293), (617, 359465), (3085, 71893), (4229, 52445), (10489, 21145)]