81275692

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{727}}^1\times {\mathrm{1471}}^1$

素因数の和:2221

約数の個数: 24

約数和(自身を含む): 150026240

約数和(自身を除く): 68750548

約数列:

[1, 2, 4, 19, 38, 76, 727, 1454, 1471, 2908, 2942, 5884, 13813, 27626, 27949, 55252, 55898, 111796, 1069417, 2138834, 4277668, 20318923, 40637846, 81275692]

約数ペア:

[(1, 81275692), (2, 40637846), (4, 20318923), (19, 4277668), (38, 2138834), (76, 1069417), (727, 111796), (1454, 55898), (1471, 55252), (2908, 27949), (2942, 27626), (5884, 13813)]