1398578258

素因数分解:

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

素因数の和:2356

約数の個数: 72

約数和(自身を含む): 2782555776

約数和(自身を除く): 1383977518

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 121, 133, 154, 209, 242, 266, 361, 418, 722, 847, 1463, 1694, 2287, 2299, 2527, 2926, 3971, 4574, 4598, 5054, 7942, 16009, 16093, 25157, 27797, 32018, 32186, 43453, 43681, 50314, 55594, 86906, 87362, 176099, 276727, 304171, 305767, 352198, 477983, 553454, 608342, 611534, 825607, 955966, 1651214, 1937089, 3345881, 3874178, 5257813, 5779249, 6691762, 9081677, 10515626, 11558498, 18163354, 36804691, 63571739, 73609382, 99898447, 127143478, 199796894, 699289129, 1398578258]

約数ペア:

[(1, 1398578258), (2, 699289129), (7, 199796894), (11, 127143478), (14, 99898447), (19, 73609382), (22, 63571739), (38, 36804691), (77, 18163354), (121, 11558498), (133, 10515626), (154, 9081677), (209, 6691762), (242, 5779249), (266, 5257813), (361, 3874178), (418, 3345881), (722, 1937089), (847, 1651214), (1463, 955966), (1694, 825607), (2287, 611534), (2299, 608342), (2527, 553454), (2926, 477983), (3971, 352198), (4574, 305767), (4598, 304171), (5054, 276727), (7942, 176099), (16009, 87362), (16093, 86906), (25157, 55594), (27797, 50314), (32018, 43681), (32186, 43453)]