81915086

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{661}}^1$

素因数の和:848

約数の個数: 32

約数和(自身を含む): 138416256

約数和(自身を除く): 56501170

約数列:

[1, 2, 11, 22, 43, 86, 131, 262, 473, 661, 946, 1322, 1441, 2882, 5633, 7271, 11266, 14542, 28423, 56846, 61963, 86591, 123926, 173182, 312653, 625306, 952501, 1905002, 3723413, 7446826, 40957543, 81915086]

約数ペア:

[(1, 81915086), (2, 40957543), (11, 7446826), (22, 3723413), (43, 1905002), (86, 952501), (131, 625306), (262, 312653), (473, 173182), (661, 123926), (946, 86591), (1322, 61963), (1441, 56846), (2882, 28423), (5633, 14542), (7271, 11266)]