621595

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:222

約数の個数: 16

約数和(自身を含む): 820512

約数和(自身を除く): 198917

約数列:

[1, 5, 13, 65, 73, 131, 365, 655, 949, 1703, 4745, 8515, 9563, 47815, 124319, 621595]

約数ペア:

[(1, 621595), (5, 124319), (13, 47815), (65, 9563), (73, 8515), (131, 4745), (365, 1703), (655, 949)]