81937154

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{367}}^1$

素因数の和:690

約数の個数: 32

約数和(自身を含む): 137496576

約数和(自身を除く): 55559422

約数列:

[1, 2, 13, 26, 31, 62, 277, 367, 403, 554, 734, 806, 3601, 4771, 7202, 8587, 9542, 11377, 17174, 22754, 101659, 111631, 147901, 203318, 223262, 295802, 1321567, 2643134, 3151429, 6302858, 40968577, 81937154]

約数ペア:

[(1, 81937154), (2, 40968577), (13, 6302858), (26, 3151429), (31, 2643134), (62, 1321567), (277, 295802), (367, 223262), (403, 203318), (554, 147901), (734, 111631), (806, 101659), (3601, 22754), (4771, 17174), (7202, 11377), (8587, 9542)]