9973988

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{997}}^1$

素因数の和:1103

約数の個数: 24

約数和(自身を含む): 18191544

約数和(自身を除く): 8217556

約数列:

[1, 2, 4, 41, 61, 82, 122, 164, 244, 997, 1994, 2501, 3988, 5002, 10004, 40877, 60817, 81754, 121634, 163508, 243268, 2493497, 4986994, 9973988]

約数ペア:

[(1, 9973988), (2, 4986994), (4, 2493497), (41, 243268), (61, 163508), (82, 121634), (122, 81754), (164, 60817), (244, 40877), (997, 10004), (1994, 5002), (2501, 3988)]