9409985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2039}}^1$

素因数の和:2128

約数の個数: 16

約数和(自身を含む): 12337920

約数和(自身を除く): 2927935

約数列:

[1, 5, 13, 65, 71, 355, 923, 2039, 4615, 10195, 26507, 132535, 144769, 723845, 1881997, 9409985]

約数ペア:

[(1, 9409985), (5, 1881997), (13, 723845), (65, 144769), (71, 132535), (355, 26507), (923, 10195), (2039, 4615)]