208020835

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{10477}}^1$

素因数の和:10531

約数の個数: 24

約数和(自身を含む): 287432496

約数和(自身を除く): 79411661

約数列:

[1, 5, 11, 19, 55, 95, 209, 361, 1045, 1805, 3971, 10477, 19855, 52385, 115247, 199063, 576235, 995315, 2189693, 3782197, 10948465, 18910985, 41604167, 208020835]

約数ペア:

[(1, 208020835), (5, 41604167), (11, 18910985), (19, 10948465), (55, 3782197), (95, 2189693), (209, 995315), (361, 576235), (1045, 199063), (1805, 115247), (3971, 52385), (10477, 19855)]