128768081

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{4253}}^1$

素因数の和:4420

約数の個数: 16

約数和(自身を含む): 147937104

約数和(自身を除く): 19169023

約数列:

[1, 13, 17, 137, 221, 1781, 2329, 4253, 30277, 55289, 72301, 582661, 939913, 7574593, 9905237, 128768081]

約数ペア:

[(1, 128768081), (13, 9905237), (17, 7574593), (137, 939913), (221, 582661), (1781, 72301), (2329, 55289), (4253, 30277)]