399238469

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{1613}}^1\times {\mathrm{1861}}^1$

素因数の和:3500

約数の個数: 16

約数和(自身を含む): 480842880

約数和(自身を除く): 81604411

約数列:

[1, 7, 19, 133, 1613, 1861, 11291, 13027, 30647, 35359, 214529, 247513, 3001793, 21012551, 57034067, 399238469]

約数ペア:

[(1, 399238469), (7, 57034067), (19, 21012551), (133, 3001793), (1613, 247513), (1861, 214529), (11291, 35359), (13027, 30647)]