9979930

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43391}}^1$

素因数の和:43421

約数の個数: 16

約数和(自身を含む): 18745344

約数和(自身を除く): 8765414

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 43391, 86782, 216955, 433910, 997993, 1995986, 4989965, 9979930]

約数ペア:

[(1, 9979930), (2, 4989965), (5, 1995986), (10, 997993), (23, 433910), (46, 216955), (115, 86782), (230, 43391)]