9980998

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{499}}^1$

素因数の和:711

約数の個数: 16

約数和(自身を含む): 15318000

約数和(自身を除く): 5337002

約数列:

[1, 2, 73, 137, 146, 274, 499, 998, 10001, 20002, 36427, 68363, 72854, 136726, 4990499, 9980998]

約数ペア:

[(1, 9980998), (2, 4990499), (73, 136726), (137, 72854), (146, 68363), (274, 36427), (499, 20002), (998, 10001)]