201965128

素因数分解:

$2^3\times {\mathrm{313}}^1\times {\mathrm{80657}}^1$

素因数の和:80976

約数の個数: 16

約数和(自身を含む): 379899180

約数和(自身を除く): 177934052

約数列:

[1, 2, 4, 8, 313, 626, 1252, 2504, 80657, 161314, 322628, 645256, 25245641, 50491282, 100982564, 201965128]

約数ペア:

[(1, 201965128), (2, 100982564), (4, 50491282), (8, 25245641), (313, 645256), (626, 322628), (1252, 161314), (2504, 80657)]