13198870

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{42577}}^1$

素因数の和:42615

約数の個数: 16

約数和(自身を含む): 24524928

約数和(自身を除く): 11326058

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 42577, 85154, 212885, 425770, 1319887, 2639774, 6599435, 13198870]

約数ペア:

[(1, 13198870), (2, 6599435), (5, 2639774), (10, 1319887), (31, 425770), (62, 212885), (155, 85154), (310, 42577)]