1397480030

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{331943}}^1$

素因数の和:332371

約数の個数: 16

約数和(自身を含む): 2521446624

約数和(自身を除く): 1123966594

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 331943, 663886, 1659715, 3319430, 139748003, 279496006, 698740015, 1397480030]

約数ペア:

[(1, 1397480030), (2, 698740015), (5, 279496006), (10, 139748003), (421, 3319430), (842, 1659715), (2105, 663886), (4210, 331943)]