81880024

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{7621}}^1$

素因数の和:7723

約数の個数: 32

約数和(自身を含む): 164635200

約数和(自身を除く): 82755176

約数列:

[1, 2, 4, 8, 17, 34, 68, 79, 136, 158, 316, 632, 1343, 2686, 5372, 7621, 10744, 15242, 30484, 60968, 129557, 259114, 518228, 602059, 1036456, 1204118, 2408236, 4816472, 10235003, 20470006, 40940012, 81880024]

約数ペア:

[(1, 81880024), (2, 40940012), (4, 20470006), (8, 10235003), (17, 4816472), (34, 2408236), (68, 1204118), (79, 1036456), (136, 602059), (158, 518228), (316, 259114), (632, 129557), (1343, 60968), (2686, 30484), (5372, 15242), (7621, 10744)]