16681390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1091}}^1$

素因数の和:1248

約数の個数: 32

約数和(自身を含む): 33022080

約数和(自身を除く): 16340690

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 139, 278, 695, 1091, 1390, 1529, 2182, 3058, 5455, 7645, 10910, 12001, 15290, 24002, 60005, 120010, 151649, 303298, 758245, 1516490, 1668139, 3336278, 8340695, 16681390]

約数ペア:

[(1, 16681390), (2, 8340695), (5, 3336278), (10, 1668139), (11, 1516490), (22, 758245), (55, 303298), (110, 151649), (139, 120010), (278, 60005), (695, 24002), (1091, 15290), (1390, 12001), (1529, 10910), (2182, 7645), (3058, 5455)]