128911930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1841599}}^1$

素因数の和:1841613

約数の個数: 16

約数和(自身を含む): 265190400

約数和(自身を除く): 136278470

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1841599, 3683198, 9207995, 12891193, 18415990, 25782386, 64455965, 128911930]

約数ペア:

[(1, 128911930), (2, 64455965), (5, 25782386), (7, 18415990), (10, 12891193), (14, 9207995), (35, 3683198), (70, 1841599)]