81610792

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{929}}^1$

素因数の和:1153

約数の個数: 32

約数和(自身を含む): 156240000

約数和(自身を除く): 74629208

約数列:

[1, 2, 4, 8, 79, 139, 158, 278, 316, 556, 632, 929, 1112, 1858, 3716, 7432, 10981, 21962, 43924, 73391, 87848, 129131, 146782, 258262, 293564, 516524, 587128, 1033048, 10201349, 20402698, 40805396, 81610792]

約数ペア:

[(1, 81610792), (2, 40805396), (4, 20402698), (8, 10201349), (79, 1033048), (139, 587128), (158, 516524), (278, 293564), (316, 258262), (556, 146782), (632, 129131), (929, 87848), (1112, 73391), (1858, 43924), (3716, 21962), (7432, 10981)]