15380906

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{907}}^1$

素因数の和:1109

約数の個数: 16

約数和(自身を含む): 23644320

約数和(自身を除く): 8263414

約数列:

[1, 2, 61, 122, 139, 278, 907, 1814, 8479, 16958, 55327, 110654, 126073, 252146, 7690453, 15380906]

約数ペア:

[(1, 15380906), (2, 7690453), (61, 252146), (122, 126073), (139, 110654), (278, 55327), (907, 16958), (1814, 8479)]