254286956

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{2287}}^1$

素因数の和:2347

約数の個数: 72

約数和(自身を含む): 585801216

約数和(自身を除く): 331514260

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 361, 418, 532, 722, 836, 1444, 1463, 2287, 2527, 2926, 3971, 4574, 5054, 5852, 7942, 9148, 10108, 15884, 16009, 25157, 27797, 32018, 43453, 50314, 55594, 64036, 86906, 100628, 111188, 173812, 176099, 304171, 352198, 477983, 608342, 704396, 825607, 955966, 1216684, 1651214, 1911932, 3302428, 3345881, 5779249, 6691762, 9081677, 11558498, 13383524, 18163354, 23116996, 36326708, 63571739, 127143478, 254286956]

約数ペア:

[(1, 254286956), (2, 127143478), (4, 63571739), (7, 36326708), (11, 23116996), (14, 18163354), (19, 13383524), (22, 11558498), (28, 9081677), (38, 6691762), (44, 5779249), (76, 3345881), (77, 3302428), (133, 1911932), (154, 1651214), (209, 1216684), (266, 955966), (308, 825607), (361, 704396), (418, 608342), (532, 477983), (722, 352198), (836, 304171), (1444, 176099), (1463, 173812), (2287, 111188), (2527, 100628), (2926, 86906), (3971, 64036), (4574, 55594), (5054, 50314), (5852, 43453), (7942, 32018), (9148, 27797), (10108, 25157), (15884, 16009)]