31408390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241603}}^1$

素因数の和:241623

約数の個数: 16

約数和(自身を含む): 60884208

約数和(自身を除く): 29475818

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 241603, 483206, 1208015, 2416030, 3140839, 6281678, 15704195, 31408390]

約数ペア:

[(1, 31408390), (2, 15704195), (5, 6281678), (10, 3140839), (13, 2416030), (26, 1208015), (65, 483206), (130, 241603)]