31255367

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:120

約数の個数: 48

約数和(自身を含む): 41741568

約数和(自身を除く): 10486201

約数列:

[1, 11, 13, 17, 23, 43, 143, 169, 187, 221, 253, 299, 391, 473, 559, 731, 989, 1859, 2431, 2873, 3289, 3887, 4301, 5083, 6149, 7267, 8041, 9503, 10879, 12857, 16813, 31603, 42757, 55913, 66079, 79937, 104533, 123539, 141427, 167141, 184943, 218569, 726869, 1358929, 1838551, 2404259, 2841397, 31255367]

約数ペア:

[(1, 31255367), (11, 2841397), (13, 2404259), (17, 1838551), (23, 1358929), (43, 726869), (143, 218569), (169, 184943), (187, 167141), (221, 141427), (253, 123539), (299, 104533), (391, 79937), (473, 66079), (559, 55913), (731, 42757), (989, 31603), (1859, 16813), (2431, 12857), (2873, 10879), (3289, 9503), (3887, 8041), (4301, 7267), (5083, 6149)]