28177855

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{233}}^1$

素因数の和:343

約数の個数: 24

約数和(自身を含む): 36374832

約数和(自身を除く): 8196977

約数列:

[1, 5, 19, 67, 95, 233, 335, 361, 1165, 1273, 1805, 4427, 6365, 15611, 22135, 24187, 78055, 84113, 120935, 296609, 420565, 1483045, 5635571, 28177855]

約数ペア:

[(1, 28177855), (5, 5635571), (19, 1483045), (67, 420565), (95, 296609), (233, 120935), (335, 84113), (361, 78055), (1165, 24187), (1273, 22135), (1805, 15611), (4427, 6365)]