128512090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{16843}}^1$

素因数の和:16966

約数の個数: 32

約数和(自身を含む): 266808960

約数和(自身を除く): 138296870

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 218, 545, 763, 1090, 1526, 3815, 7630, 16843, 33686, 84215, 117901, 168430, 235802, 589505, 1179010, 1835887, 3671774, 9179435, 12851209, 18358870, 25702418, 64256045, 128512090]

約数ペア:

[(1, 128512090), (2, 64256045), (5, 25702418), (7, 18358870), (10, 12851209), (14, 9179435), (35, 3671774), (70, 1835887), (109, 1179010), (218, 589505), (545, 235802), (763, 168430), (1090, 117901), (1526, 84215), (3815, 33686), (7630, 16843)]