28131268

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{8093}}^1$

素因数の和:8187

約数の個数: 24

約数和(自身を含む): 54391680

約数和(自身を除く): 26260412

約数列:

[1, 2, 4, 11, 22, 44, 79, 158, 316, 869, 1738, 3476, 8093, 16186, 32372, 89023, 178046, 356092, 639347, 1278694, 2557388, 7032817, 14065634, 28131268]

約数ペア:

[(1, 28131268), (2, 14065634), (4, 7032817), (11, 2557388), (22, 1278694), (44, 639347), (79, 356092), (158, 178046), (316, 89023), (869, 32372), (1738, 16186), (3476, 8093)]