8679385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 12499200

約数和(自身を除く): 3819815

約数列:

[1, 5, 11, 13, 55, 61, 65, 143, 199, 305, 671, 715, 793, 995, 2189, 2587, 3355, 3965, 8723, 10945, 12139, 12935, 28457, 43615, 60695, 133529, 142285, 157807, 667645, 789035, 1735877, 8679385]

約数ペア:

[(1, 8679385), (5, 1735877), (11, 789035), (13, 667645), (55, 157807), (61, 142285), (65, 133529), (143, 60695), (199, 43615), (305, 28457), (671, 12935), (715, 12139), (793, 10945), (995, 8723), (2189, 3965), (2587, 3355)]