638584828

素因数分解:

$2^2\times 7^1\times {\mathrm{947}}^1\times {\mathrm{24083}}^1$

素因数の和:25041

約数の個数: 24

約数和(自身を含む): 1278571392

約数和(自身を除く): 639986564

約数列:

[1, 2, 4, 7, 14, 28, 947, 1894, 3788, 6629, 13258, 24083, 26516, 48166, 96332, 168581, 337162, 674324, 22806601, 45613202, 91226404, 159646207, 319292414, 638584828]

約数ペア:

[(1, 638584828), (2, 319292414), (4, 159646207), (7, 91226404), (14, 45613202), (28, 22806601), (947, 674324), (1894, 337162), (3788, 168581), (6629, 96332), (13258, 48166), (24083, 26516)]