1999858469

素因数分解:

$7^1\times {\mathrm{139}}^1\times {\mathrm{1279}}^1\times {\mathrm{1607}}^1$

素因数の和:3032

約数の個数: 16

約数和(自身を含む): 2305228800

約数和(自身を除く): 305370331

約数列:

[1, 7, 139, 973, 1279, 1607, 8953, 11249, 177781, 223373, 1244467, 1563611, 2055353, 14387471, 285694067, 1999858469]

約数ペア:

[(1, 1999858469), (7, 285694067), (139, 14387471), (973, 2055353), (1279, 1563611), (1607, 1244467), (8953, 223373), (11249, 177781)]