87401741

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{353}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 105894144

約数和(自身を除く): 18492403

約数列:

[1, 7, 31, 49, 163, 217, 353, 1141, 1519, 2471, 5053, 7987, 10943, 17297, 35371, 57539, 76601, 247597, 402773, 536207, 1783709, 2819411, 12485963, 87401741]

約数ペア:

[(1, 87401741), (7, 12485963), (31, 2819411), (49, 1783709), (163, 536207), (217, 402773), (353, 247597), (1141, 76601), (1519, 57539), (2471, 35371), (5053, 17297), (7987, 10943)]