81405746

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{617}}^1\times {\mathrm{1609}}^1$

素因数の和:2269

約数の個数: 16

約数和(自身を含む): 125367480

約数和(自身を除く): 43961734

約数列:

[1, 2, 41, 82, 617, 1234, 1609, 3218, 25297, 50594, 65969, 131938, 992753, 1985506, 40702873, 81405746]

約数ペア:

[(1, 81405746), (2, 40702873), (41, 1985506), (82, 992753), (617, 131938), (1234, 65969), (1609, 50594), (3218, 25297)]