6398090

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20639}}^1$

素因数の和:20677

約数の個数: 16

約数和(自身を含む): 11888640

約数和(自身を除く): 5490550

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 20639, 41278, 103195, 206390, 639809, 1279618, 3199045, 6398090]

約数ペア:

[(1, 6398090), (2, 3199045), (5, 1279618), (10, 639809), (31, 206390), (62, 103195), (155, 41278), (310, 20639)]