28989964

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{1621}}^1$

素因数の和:1905

約数の個数: 24

約数和(自身を含む): 53954208

約数和(自身を除く): 24964244

約数列:

[1, 2, 4, 17, 34, 68, 263, 526, 1052, 1621, 3242, 4471, 6484, 8942, 17884, 27557, 55114, 110228, 426323, 852646, 1705292, 7247491, 14494982, 28989964]

約数ペア:

[(1, 28989964), (2, 14494982), (4, 7247491), (17, 1705292), (34, 852646), (68, 426323), (263, 110228), (526, 55114), (1052, 27557), (1621, 17884), (3242, 8942), (4471, 6484)]