128567945

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{19319}}^1$

素因数の和:19357

約数の個数: 16

約数和(自身を含む): 169706880

約数和(自身を除く): 41138935

約数列:

[1, 5, 11, 55, 121, 605, 1331, 6655, 19319, 96595, 212509, 1062545, 2337599, 11687995, 25713589, 128567945]

約数ペア:

[(1, 128567945), (5, 25713589), (11, 11687995), (55, 2337599), (121, 1062545), (605, 212509), (1331, 96595), (6655, 19319)]