2991645790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1997}}^1\times {\mathrm{21401}}^1$

素因数の和:23412

約数の個数: 32

約数和(自身を含む): 6157612224

約数和(自身を除く): 3165966434

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1997, 3994, 9985, 13979, 19970, 21401, 27958, 42802, 69895, 107005, 139790, 149807, 214010, 299614, 749035, 1498070, 42737797, 85475594, 213688985, 299164579, 427377970, 598329158, 1495822895, 2991645790]

約数ペア:

[(1, 2991645790), (2, 1495822895), (5, 598329158), (7, 427377970), (10, 299164579), (14, 213688985), (35, 85475594), (70, 42737797), (1997, 1498070), (3994, 749035), (9985, 299614), (13979, 214010), (19970, 149807), (21401, 139790), (27958, 107005), (42802, 69895)]