218218390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1678603}}^1$

素因数の和:1678623

約数の個数: 16

約数和(自身を含む): 423008208

約数和(自身を除く): 204789818

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1678603, 3357206, 8393015, 16786030, 21821839, 43643678, 109109195, 218218390]

約数ペア:

[(1, 218218390), (2, 109109195), (5, 43643678), (10, 21821839), (13, 16786030), (26, 8393015), (65, 3357206), (130, 1678603)]