8540945

素因数分解:

$5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 12115008

約数和(自身を除く): 3574063

約数列:

[1, 5, 7, 35, 49, 71, 245, 355, 491, 497, 2455, 2485, 3437, 3479, 17185, 17395, 24059, 34861, 120295, 174305, 244027, 1220135, 1708189, 8540945]

約数ペア:

[(1, 8540945), (5, 1708189), (7, 1220135), (35, 244027), (49, 174305), (71, 120295), (245, 34861), (355, 24059), (491, 17395), (497, 17185), (2455, 3479), (2485, 3437)]