4990517

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:392

約数の個数: 16

約数和(自身を含む): 6021120

約数和(自身を除く): 1030603

約数列:

[1, 7, 23, 139, 161, 223, 973, 1561, 3197, 5129, 22379, 30997, 35903, 216979, 712931, 4990517]

約数ペア:

[(1, 4990517), (7, 712931), (23, 216979), (139, 35903), (161, 30997), (223, 22379), (973, 5129), (1561, 3197)]