217418518

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{12821}}^1$

素因数の和:13023

約数の個数: 16

約数和(自身を含む): 333884880

約数和(自身を除く): 116466362

約数列:

[1, 2, 61, 122, 139, 278, 8479, 12821, 16958, 25642, 782081, 1564162, 1782119, 3564238, 108709259, 217418518]

約数ペア:

[(1, 217418518), (2, 108709259), (61, 3564238), (122, 1782119), (139, 1564162), (278, 782081), (8479, 25642), (12821, 16958)]