285871105

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{338309}}^1$

素因数の和:338340

約数の個数: 12

約数和(自身を含む): 371464380

約数和(自身を除く): 85593275

約数列:

[1, 5, 13, 65, 169, 845, 338309, 1691545, 4398017, 21990085, 57174221, 285871105]

約数ペア:

[(1, 285871105), (5, 57174221), (13, 21990085), (65, 4398017), (169, 1691545), (845, 338309)]