81658655

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 108864000

約数和(自身を除く): 27205345

約数列:

[1, 5, 13, 59, 65, 107, 199, 295, 535, 767, 995, 1391, 2587, 3835, 6313, 6955, 11741, 12935, 21293, 31565, 58705, 82069, 106465, 152633, 276809, 410345, 763165, 1256287, 1384045, 6281435, 16331731, 81658655]

約数ペア:

[(1, 81658655), (5, 16331731), (13, 6281435), (59, 1384045), (65, 1256287), (107, 763165), (199, 410345), (295, 276809), (535, 152633), (767, 106465), (995, 82069), (1391, 58705), (2587, 31565), (3835, 21293), (6313, 12935), (6955, 11741)]