421702

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:255

約数の個数: 16

約数和(自身を含む): 682560

約数和(自身を除く): 260858

約数列:

[1, 2, 17, 34, 79, 157, 158, 314, 1343, 2669, 2686, 5338, 12403, 24806, 210851, 421702]

約数ペア:

[(1, 421702), (2, 210851), (17, 24806), (34, 12403), (79, 5338), (157, 2686), (158, 2669), (314, 1343)]