278872145

素因数分解:

$5^1\times {\mathrm{37}}^2\times {\mathrm{131}}^1\times {\mathrm{311}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 347675328

約数和(自身を除く): 68803183

約数列:

[1, 5, 37, 131, 185, 311, 655, 1369, 1555, 4847, 6845, 11507, 24235, 40741, 57535, 179339, 203705, 425759, 896695, 1507417, 2128795, 7537085, 55774429, 278872145]

約数ペア:

[(1, 278872145), (5, 55774429), (37, 7537085), (131, 2128795), (185, 1507417), (311, 896695), (655, 425759), (1369, 203705), (1555, 179339), (4847, 57535), (6845, 40741), (11507, 24235)]