128521518

素因数分解:

$2^1\times 3^1\times {\mathrm{89}}^1\times {\mathrm{240677}}^1$

素因数の和:240771

約数の個数: 16

約数和(自身を含む): 259932240

約数和(自身を除く): 131410722

約数列:

[1, 2, 3, 6, 89, 178, 267, 534, 240677, 481354, 722031, 1444062, 21420253, 42840506, 64260759, 128521518]

約数ペア:

[(1, 128521518), (2, 64260759), (3, 42840506), (6, 21420253), (89, 1444062), (178, 722031), (267, 481354), (534, 240677)]