28396775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3331}}^1$

素因数の和:3383

約数の個数: 24

約数和(自身を含む): 39664128

約数和(自身を除く): 11267353

約数列:

[1, 5, 11, 25, 31, 55, 155, 275, 341, 775, 1705, 3331, 8525, 16655, 36641, 83275, 103261, 183205, 516305, 916025, 1135871, 2581525, 5679355, 28396775]

約数ペア:

[(1, 28396775), (5, 5679355), (11, 2581525), (25, 1135871), (31, 916025), (55, 516305), (155, 183205), (275, 103261), (341, 83275), (775, 36641), (1705, 16655), (3331, 8525)]