81520004

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{2677}}^1$

素因数の和:3035

約数の個数: 24

約数和(自身を含む): 149368128

約数和(自身を除く): 67848124

約数列:

[1, 2, 4, 23, 46, 92, 331, 662, 1324, 2677, 5354, 7613, 10708, 15226, 30452, 61571, 123142, 246284, 886087, 1772174, 3544348, 20380001, 40760002, 81520004]

約数ペア:

[(1, 81520004), (2, 40760002), (4, 20380001), (23, 3544348), (46, 1772174), (92, 886087), (331, 246284), (662, 123142), (1324, 61571), (2677, 30452), (5354, 15226), (7613, 10708)]