15691328390

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{19862441}}^1$

素因数の和:19862527

約数の個数: 16

約数和(自身を含む): 28601916480

約数和(自身を除く): 12910588090

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 19862441, 39724882, 99312205, 198624410, 1569132839, 3138265678, 7845664195, 15691328390]

約数ペア:

[(1, 15691328390), (2, 7845664195), (5, 3138265678), (10, 1569132839), (79, 198624410), (158, 99312205), (395, 39724882), (790, 19862441)]