128686415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{179981}}^1$

素因数の和:180010

約数の個数: 16

約数和(自身を含む): 181421856

約数和(自身を除く): 52735441

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 179981, 899905, 1979791, 2339753, 9898955, 11698765, 25737283, 128686415]

約数ペア:

[(1, 128686415), (5, 25737283), (11, 11698765), (13, 9898955), (55, 2339753), (65, 1979791), (143, 899905), (715, 179981)]