16931551

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4327}}^1$

素因数の和:4390

約数の個数: 16

約数和(自身を含む): 21328384

約数和(自身を除く): 4396833

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 4327, 30289, 56251, 186061, 393757, 1302427, 2418793, 16931551]

約数ペア:

[(1, 16931551), (7, 2418793), (13, 1302427), (43, 393757), (91, 186061), (301, 56251), (559, 30289), (3913, 4327)]