81405652

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{9479}}^1$

素因数の和:9615

約数の個数: 24

約数和(自身を含む): 151300800

約数和(自身を除く): 69895148

約数列:

[1, 2, 4, 19, 38, 76, 113, 226, 452, 2147, 4294, 8588, 9479, 18958, 37916, 180101, 360202, 720404, 1071127, 2142254, 4284508, 20351413, 40702826, 81405652]

約数ペア:

[(1, 81405652), (2, 40702826), (4, 20351413), (19, 4284508), (38, 2142254), (76, 1071127), (113, 720404), (226, 360202), (452, 180101), (2147, 37916), (4294, 18958), (8588, 9479)]