81373485172

素因数分解:

$2^2\times 7^1\times {\mathrm{20959}}^1\times {\mathrm{138661}}^1$

素因数の和:159631

約数の個数: 24

約数和(自身を含む): 162755909120

約数和(自身を除く): 81382423948

約数列:

[1, 2, 4, 7, 14, 28, 20959, 41918, 83836, 138661, 146713, 277322, 293426, 554644, 586852, 970627, 1941254, 3882508, 2906195899, 5812391798, 11624783596, 20343371293, 40686742586, 81373485172]

約数ペア:

[(1, 81373485172), (2, 40686742586), (4, 20343371293), (7, 11624783596), (14, 5812391798), (28, 2906195899), (20959, 3882508), (41918, 1941254), (83836, 970627), (138661, 586852), (146713, 554644), (277322, 293426)]