258465662

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{751}}^1$

素因数の和:865

約数の個数: 64

約数和(自身を含む): 501301248

約数和(自身を除く): 242835586

約数列:

[1, 2, 7, 13, 14, 26, 31, 61, 62, 91, 122, 182, 217, 403, 427, 434, 751, 793, 806, 854, 1502, 1586, 1891, 2821, 3782, 5257, 5551, 5642, 9763, 10514, 11102, 13237, 19526, 23281, 24583, 26474, 45811, 46562, 49166, 68341, 91622, 136682, 162967, 172081, 302653, 320677, 325934, 344162, 595543, 605306, 641354, 1191086, 1420141, 2118571, 2840282, 4168801, 4237142, 8337602, 9940987, 18461833, 19881974, 36923666, 129232831, 258465662]

約数ペア:

[(1, 258465662), (2, 129232831), (7, 36923666), (13, 19881974), (14, 18461833), (26, 9940987), (31, 8337602), (61, 4237142), (62, 4168801), (91, 2840282), (122, 2118571), (182, 1420141), (217, 1191086), (403, 641354), (427, 605306), (434, 595543), (751, 344162), (793, 325934), (806, 320677), (854, 302653), (1502, 172081), (1586, 162967), (1891, 136682), (2821, 91622), (3782, 68341), (5257, 49166), (5551, 46562), (5642, 45811), (9763, 26474), (10514, 24583), (11102, 23281), (13237, 19526)]