247348556

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{15803}}^1$

素因数の和:15870

約数の個数: 48

約数和(自身を含む): 545174784

約数和(自身を除く): 297826228

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 43, 52, 86, 91, 172, 182, 301, 364, 559, 602, 1118, 1204, 2236, 3913, 7826, 15652, 15803, 31606, 63212, 110621, 205439, 221242, 410878, 442484, 679529, 821756, 1359058, 1438073, 2718116, 2876146, 4756703, 5752292, 8833877, 9513406, 17667754, 19026812, 35335508, 61837139, 123674278, 247348556]

約数ペア:

[(1, 247348556), (2, 123674278), (4, 61837139), (7, 35335508), (13, 19026812), (14, 17667754), (26, 9513406), (28, 8833877), (43, 5752292), (52, 4756703), (86, 2876146), (91, 2718116), (172, 1438073), (182, 1359058), (301, 821756), (364, 679529), (559, 442484), (602, 410878), (1118, 221242), (1204, 205439), (2236, 110621), (3913, 63212), (7826, 31606), (15652, 15803)]