256263588

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1097}}^1$

素因数の和:1223

約数の個数: 120

約数和(自身を含む): 773764992

約数和(自身を除く): 517501404

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 103, 108, 126, 162, 189, 206, 252, 309, 324, 378, 412, 567, 618, 721, 756, 927, 1097, 1134, 1236, 1442, 1854, 2163, 2194, 2268, 2781, 2884, 3291, 3708, 4326, 4388, 5562, 6489, 6582, 7679, 8343, 8652, 9873, 11124, 12978, 13164, 15358, 16686, 19467, 19746, 23037, 25956, 29619, 30716, 33372, 38934, 39492, 46074, 58401, 59238, 69111, 77868, 88857, 92148, 112991, 116802, 118476, 138222, 177714, 207333, 225982, 233604, 276444, 338973, 355428, 414666, 451964, 621999, 677946, 790937, 829332, 1016919, 1243998, 1355892, 1581874, 2033838, 2372811, 2487996, 3050757, 3163748, 4067676, 4745622, 6101514, 7118433, 9152271, 9491244, 12203028, 14236866, 18304542, 21355299, 28473732, 36609084, 42710598, 64065897, 85421196, 128131794, 256263588]

約数ペア:

[(1, 256263588), (2, 128131794), (3, 85421196), (4, 64065897), (6, 42710598), (7, 36609084), (9, 28473732), (12, 21355299), (14, 18304542), (18, 14236866), (21, 12203028), (27, 9491244), (28, 9152271), (36, 7118433), (42, 6101514), (54, 4745622), (63, 4067676), (81, 3163748), (84, 3050757), (103, 2487996), (108, 2372811), (126, 2033838), (162, 1581874), (189, 1355892), (206, 1243998), (252, 1016919), (309, 829332), (324, 790937), (378, 677946), (412, 621999), (567, 451964), (618, 414666), (721, 355428), (756, 338973), (927, 276444), (1097, 233604), (1134, 225982), (1236, 207333), (1442, 177714), (1854, 138222), (2163, 118476), (2194, 116802), (2268, 112991), (2781, 92148), (2884, 88857), (3291, 77868), (3708, 69111), (4326, 59238), (4388, 58401), (5562, 46074), (6489, 39492), (6582, 38934), (7679, 33372), (8343, 30716), (8652, 29619), (9873, 25956), (11124, 23037), (12978, 19746), (13164, 19467), (15358, 16686)]