9988994

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1997}}^1$

素因数の和:2101

約数の個数: 16

約数和(自身を含む): 15608376

約数和(自身を除く): 5619382

約数列:

[1, 2, 41, 61, 82, 122, 1997, 2501, 3994, 5002, 81877, 121817, 163754, 243634, 4994497, 9988994]

約数ペア:

[(1, 9988994), (2, 4994497), (41, 243634), (61, 163754), (82, 121817), (122, 81877), (1997, 5002), (2501, 3994)]