31156254

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:393

約数の個数: 48

約数和(自身を含む): 69333264

約数和(自身を除く): 38177010

約数列:

[1, 2, 3, 6, 9, 18, 73, 131, 146, 181, 219, 262, 362, 393, 438, 543, 657, 786, 1086, 1179, 1314, 1629, 2358, 3258, 9563, 13213, 19126, 23711, 26426, 28689, 39639, 47422, 57378, 71133, 79278, 86067, 118917, 142266, 172134, 213399, 237834, 426798, 1730903, 3461806, 5192709, 10385418, 15578127, 31156254]

約数ペア:

[(1, 31156254), (2, 15578127), (3, 10385418), (6, 5192709), (9, 3461806), (18, 1730903), (73, 426798), (131, 237834), (146, 213399), (181, 172134), (219, 142266), (262, 118917), (362, 86067), (393, 79278), (438, 71133), (543, 57378), (657, 47422), (786, 39639), (1086, 28689), (1179, 26426), (1314, 23711), (1629, 19126), (2358, 13213), (3258, 9563)]