812090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{281}}^1$

素因数の和:322

約数の個数: 24

約数和(自身を含む): 1558332

約数和(自身を除く): 746242

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 281, 289, 562, 578, 1405, 1445, 2810, 2890, 4777, 9554, 23885, 47770, 81209, 162418, 406045, 812090]

約数ペア:

[(1, 812090), (2, 406045), (5, 162418), (10, 81209), (17, 47770), (34, 23885), (85, 9554), (170, 4777), (281, 2890), (289, 2810), (562, 1445), (578, 1405)]