16555217

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{283}}^1$

素因数の和:488

約数の個数: 16

約数和(自身を含む): 19439232

約数和(自身を除く): 2884015

約数列:

[1, 7, 61, 137, 283, 427, 959, 1981, 8357, 17263, 38771, 58499, 120841, 271397, 2365031, 16555217]

約数ペア:

[(1, 16555217), (7, 2365031), (61, 271397), (137, 120841), (283, 58499), (427, 38771), (959, 17263), (1981, 8357)]