80491336

素因数分解:

$2^3\times {\mathrm{137}}^1\times {\mathrm{271}}^2$

素因数の和:685

約数の個数: 24

約数和(自身を含む): 152585910

約数和(自身を除く): 72094574

約数列:

[1, 2, 4, 8, 137, 271, 274, 542, 548, 1084, 1096, 2168, 37127, 73441, 74254, 146882, 148508, 293764, 297016, 587528, 10061417, 20122834, 40245668, 80491336]

約数ペア:

[(1, 80491336), (2, 40245668), (4, 20122834), (8, 10061417), (137, 587528), (271, 297016), (274, 293764), (542, 148508), (548, 146882), (1084, 74254), (1096, 73441), (2168, 37127)]