12685255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 17856000

約数和(自身を除く): 5170745

約数列:

[1, 5, 11, 19, 55, 61, 95, 199, 209, 305, 671, 995, 1045, 1159, 2189, 3355, 3781, 5795, 10945, 12139, 12749, 18905, 41591, 60695, 63745, 133529, 207955, 230641, 667645, 1153205, 2537051, 12685255]

約数ペア:

[(1, 12685255), (5, 2537051), (11, 1153205), (19, 667645), (55, 230641), (61, 207955), (95, 133529), (199, 63745), (209, 60695), (305, 41591), (671, 18905), (995, 12749), (1045, 12139), (1159, 10945), (2189, 5795), (3355, 3781)]