281219328

素因数分解:

$2^8\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:305

約数の個数: 216

約数和(自身を含む): 898399320

約数和(自身を除く): 617179992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 41, 48, 52, 64, 72, 78, 82, 96, 104, 117, 123, 128, 144, 156, 164, 192, 208, 229, 234, 246, 256, 288, 312, 328, 369, 384, 416, 458, 468, 492, 533, 576, 624, 656, 687, 738, 768, 832, 916, 936, 984, 1066, 1152, 1248, 1312, 1374, 1476, 1599, 1664, 1832, 1872, 1968, 2061, 2132, 2304, 2496, 2624, 2748, 2952, 2977, 3198, 3328, 3664, 3744, 3936, 4122, 4264, 4797, 4992, 5248, 5496, 5904, 5954, 6396, 7328, 7488, 7872, 8244, 8528, 8931, 9389, 9594, 9984, 10496, 10992, 11808, 11908, 12792, 14656, 14976, 15744, 16488, 17056, 17862, 18778, 19188, 21984, 23616, 23816, 25584, 26793, 28167, 29312, 29952, 31488, 32976, 34112, 35724, 37556, 38376, 43968, 47232, 47632, 51168, 53586, 56334, 58624, 65952, 68224, 71448, 75112, 76752, 84501, 87936, 94464, 95264, 102336, 107172, 112668, 122057, 131904, 136448, 142896, 150224, 153504, 169002, 175872, 190528, 204672, 214344, 225336, 244114, 263808, 285792, 300448, 307008, 338004, 366171, 381056, 409344, 428688, 450672, 488228, 527616, 571584, 600896, 614016, 676008, 732342, 762112, 857376, 901344, 976456, 1098513, 1143168, 1201792, 1228032, 1352016, 1464684, 1714752, 1802688, 1952912, 2197026, 2286336, 2403584, 2704032, 2929368, 3429504, 3605376, 3905824, 4394052, 5408064, 5858736, 6859008, 7210752, 7811648, 8788104, 10816128, 11717472, 15623296, 17576208, 21632256, 23434944, 31246592, 35152416, 46869888, 70304832, 93739776, 140609664, 281219328]

約数ペア:

[(1, 281219328), (2, 140609664), (3, 93739776), (4, 70304832), (6, 46869888), (8, 35152416), (9, 31246592), (12, 23434944), (13, 21632256), (16, 17576208), (18, 15623296), (24, 11717472), (26, 10816128), (32, 8788104), (36, 7811648), (39, 7210752), (41, 6859008), (48, 5858736), (52, 5408064), (64, 4394052), (72, 3905824), (78, 3605376), (82, 3429504), (96, 2929368), (104, 2704032), (117, 2403584), (123, 2286336), (128, 2197026), (144, 1952912), (156, 1802688), (164, 1714752), (192, 1464684), (208, 1352016), (229, 1228032), (234, 1201792), (246, 1143168), (256, 1098513), (288, 976456), (312, 901344), (328, 857376), (369, 762112), (384, 732342), (416, 676008), (458, 614016), (468, 600896), (492, 571584), (533, 527616), (576, 488228), (624, 450672), (656, 428688), (687, 409344), (738, 381056), (768, 366171), (832, 338004), (916, 307008), (936, 300448), (984, 285792), (1066, 263808), (1152, 244114), (1248, 225336), (1312, 214344), (1374, 204672), (1476, 190528), (1599, 175872), (1664, 169002), (1832, 153504), (1872, 150224), (1968, 142896), (2061, 136448), (2132, 131904), (2304, 122057), (2496, 112668), (2624, 107172), (2748, 102336), (2952, 95264), (2977, 94464), (3198, 87936), (3328, 84501), (3664, 76752), (3744, 75112), (3936, 71448), (4122, 68224), (4264, 65952), (4797, 58624), (4992, 56334), (5248, 53586), (5496, 51168), (5904, 47632), (5954, 47232), (6396, 43968), (7328, 38376), (7488, 37556), (7872, 35724), (8244, 34112), (8528, 32976), (8931, 31488), (9389, 29952), (9594, 29312), (9984, 28167), (10496, 26793), (10992, 25584), (11808, 23816), (11908, 23616), (12792, 21984), (14656, 19188), (14976, 18778), (15744, 17862), (16488, 17056)]