31385454

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 69672960

約数和(自身を除く): 38287506

約数列:

[1, 2, 3, 6, 19, 31, 38, 57, 62, 83, 93, 107, 114, 166, 186, 214, 249, 321, 498, 589, 642, 1178, 1577, 1767, 2033, 2573, 3154, 3317, 3534, 4066, 4731, 5146, 6099, 6634, 7719, 8881, 9462, 9951, 12198, 15438, 17762, 19902, 26643, 48887, 53286, 63023, 97774, 126046, 146661, 168739, 189069, 275311, 293322, 337478, 378138, 506217, 550622, 825933, 1012434, 1651866, 5230909, 10461818, 15692727, 31385454]

約数ペア:

[(1, 31385454), (2, 15692727), (3, 10461818), (6, 5230909), (19, 1651866), (31, 1012434), (38, 825933), (57, 550622), (62, 506217), (83, 378138), (93, 337478), (107, 293322), (114, 275311), (166, 189069), (186, 168739), (214, 146661), (249, 126046), (321, 97774), (498, 63023), (589, 53286), (642, 48887), (1178, 26643), (1577, 19902), (1767, 17762), (2033, 15438), (2573, 12198), (3154, 9951), (3317, 9462), (3534, 8881), (4066, 7719), (4731, 6634), (5146, 6099)]