47721895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 65100672

約数和(自身を除く): 17378777

約数列:

[1, 5, 13, 23, 65, 115, 137, 233, 299, 685, 1165, 1495, 1781, 3029, 3151, 5359, 8905, 15145, 15755, 26795, 31921, 40963, 69667, 159605, 204815, 348335, 414973, 734183, 2074865, 3670915, 9544379, 47721895]

約数ペア:

[(1, 47721895), (5, 9544379), (13, 3670915), (23, 2074865), (65, 734183), (115, 414973), (137, 348335), (233, 204815), (299, 159605), (685, 69667), (1165, 40963), (1495, 31921), (1781, 26795), (3029, 15755), (3151, 15145), (5359, 8905)]