128248519

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{8821}}^1$

素因数の和:8926

約数の個数: 16

約数和(自身を含む): 153573376

約数和(自身を除く): 25324857

約数列:

[1, 7, 31, 67, 217, 469, 2077, 8821, 14539, 61747, 273451, 591007, 1914157, 4137049, 18321217, 128248519]

約数ペア:

[(1, 128248519), (7, 18321217), (31, 4137049), (67, 1914157), (217, 591007), (469, 273451), (2077, 61747), (8821, 14539)]