81390892

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{337}}^1\times {\mathrm{499}}^1$

素因数の和:862

約数の個数: 36

約数和(自身を含む): 157339000

約数和(自身を除く): 75948108

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 337, 484, 499, 674, 998, 1348, 1996, 3707, 5489, 7414, 10978, 14828, 21956, 40777, 60379, 81554, 120758, 163108, 168163, 241516, 336326, 672652, 1849793, 3699586, 7399172, 20347723, 40695446, 81390892]

約数ペア:

[(1, 81390892), (2, 40695446), (4, 20347723), (11, 7399172), (22, 3699586), (44, 1849793), (121, 672652), (242, 336326), (337, 241516), (484, 168163), (499, 163108), (674, 120758), (998, 81554), (1348, 60379), (1996, 40777), (3707, 21956), (5489, 14828), (7414, 10978)]