9988671.00000000

素因数分解:

$2^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{6197}}^1$

素因数の和:6845

約数の個数: 16

約数和(自身を含む): 71624088

約数和(自身を除く): 31901318

約数列:

[1, 2, 5, 10, 641, 1282, 3205, 6197, 6410, 12394, 30985, 61970, 3972277, 7944554, 19861385, 39722770]

約数ペア:

[(1, 39722770), (2, 19861385), (5, 7944554), (10, 3972277), (641, 61970), (1282, 30985), (3205, 12394), (6197, 6410)]