268539905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{67219}}^1$

素因数の和:67288

約数の個数: 16

約数和(自身を含む): 348468480

約数和(自身を除く): 79928575

約数列:

[1, 5, 17, 47, 85, 235, 799, 3995, 67219, 336095, 1142723, 3159293, 5713615, 15796465, 53707981, 268539905]

約数ペア:

[(1, 268539905), (5, 53707981), (17, 15796465), (47, 5713615), (85, 3159293), (235, 1142723), (799, 336095), (3995, 67219)]