28774075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5507}}^1$

素因数の和:5547

約数の個数: 24

約数和(自身を含む): 40979520

約数和(自身を除く): 12205445

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 5225, 5507, 27535, 60577, 104633, 137675, 302885, 523165, 1150963, 1514425, 2615825, 5754815, 28774075]

約数ペア:

[(1, 28774075), (5, 5754815), (11, 2615825), (19, 1514425), (25, 1150963), (55, 523165), (95, 302885), (209, 137675), (275, 104633), (475, 60577), (1045, 27535), (5225, 5507)]