81344558

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1087}}^1$

素因数の和:1208

約数の個数: 32

約数和(自身を含む): 135364608

約数和(自身を除く): 54020050

約数列:

[1, 2, 17, 31, 34, 62, 71, 142, 527, 1054, 1087, 1207, 2174, 2201, 2414, 4402, 18479, 33697, 36958, 37417, 67394, 74834, 77177, 154354, 572849, 1145698, 1312009, 2392487, 2624018, 4784974, 40672279, 81344558]

約数ペア:

[(1, 81344558), (2, 40672279), (17, 4784974), (31, 2624018), (34, 2392487), (62, 1312009), (71, 1145698), (142, 572849), (527, 154354), (1054, 77177), (1087, 74834), (1207, 67394), (2174, 37417), (2201, 36958), (2414, 33697), (4402, 18479)]