281075886

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1217}}^1$

素因数の和:1295

約数の個数: 128

約数和(自身を含む): 785756160

約数和(自身を除く): 504680274

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 47, 54, 63, 78, 91, 94, 117, 126, 141, 182, 189, 234, 273, 282, 329, 351, 378, 423, 546, 611, 658, 702, 819, 846, 987, 1217, 1222, 1269, 1638, 1833, 1974, 2434, 2457, 2538, 2961, 3651, 3666, 4277, 4914, 5499, 5922, 7302, 8519, 8554, 8883, 10953, 10998, 12831, 15821, 16497, 17038, 17766, 21906, 25557, 25662, 31642, 32859, 32994, 38493, 47463, 51114, 57199, 65718, 76671, 76986, 94926, 110747, 114398, 115479, 142389, 153342, 171597, 221494, 230013, 230958, 284778, 332241, 343194, 400393, 427167, 460026, 514791, 664482, 743587, 800786, 854334, 996723, 1029582, 1201179, 1487174, 1544373, 1993446, 2230761, 2402358, 2990169, 3088746, 3603537, 4461522, 5205109, 5980338, 6692283, 7207074, 10410218, 10810611, 13384566, 15615327, 20076849, 21621222, 31230654, 40153698, 46845981, 93691962, 140537943, 281075886]

約数ペア:

[(1, 281075886), (2, 140537943), (3, 93691962), (6, 46845981), (7, 40153698), (9, 31230654), (13, 21621222), (14, 20076849), (18, 15615327), (21, 13384566), (26, 10810611), (27, 10410218), (39, 7207074), (42, 6692283), (47, 5980338), (54, 5205109), (63, 4461522), (78, 3603537), (91, 3088746), (94, 2990169), (117, 2402358), (126, 2230761), (141, 1993446), (182, 1544373), (189, 1487174), (234, 1201179), (273, 1029582), (282, 996723), (329, 854334), (351, 800786), (378, 743587), (423, 664482), (546, 514791), (611, 460026), (658, 427167), (702, 400393), (819, 343194), (846, 332241), (987, 284778), (1217, 230958), (1222, 230013), (1269, 221494), (1638, 171597), (1833, 153342), (1974, 142389), (2434, 115479), (2457, 114398), (2538, 110747), (2961, 94926), (3651, 76986), (3666, 76671), (4277, 65718), (4914, 57199), (5499, 51114), (5922, 47463), (7302, 38493), (8519, 32994), (8554, 32859), (8883, 31642), (10953, 25662), (10998, 25557), (12831, 21906), (15821, 17766), (16497, 17038)]