128512945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137447}}^1$

素因数の和:137480

約数の個数: 16

約数和(自身を含む): 178132608

約数和(自身を除く): 49619663

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 137447, 687235, 1511917, 2336599, 7559585, 11682995, 25702589, 128512945]

約数ペア:

[(1, 128512945), (5, 25702589), (11, 11682995), (17, 7559585), (55, 2336599), (85, 1511917), (187, 687235), (935, 137447)]