128505756

素因数分解:

$2^2\times 3^1\times {\mathrm{157}}^1\times {\mathrm{68209}}^1$

素因数の和:68373

約数の個数: 24

約数和(自身を含む): 301761040

約数和(自身を除く): 173255284

約数列:

[1, 2, 3, 4, 6, 12, 157, 314, 471, 628, 942, 1884, 68209, 136418, 204627, 272836, 409254, 818508, 10708813, 21417626, 32126439, 42835252, 64252878, 128505756]

約数ペア:

[(1, 128505756), (2, 64252878), (3, 42835252), (4, 32126439), (6, 21417626), (12, 10708813), (157, 818508), (314, 409254), (471, 272836), (628, 204627), (942, 136418), (1884, 68209)]