78717184

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:176

約数の個数: 144

約数和(自身を含む): 201456640

約数和(自身を除く): 122739456

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 91, 104, 109, 112, 124, 128, 182, 208, 217, 218, 224, 248, 256, 364, 403, 416, 434, 436, 448, 496, 728, 763, 806, 832, 868, 872, 896, 992, 1417, 1456, 1526, 1612, 1664, 1736, 1744, 1792, 1984, 2821, 2834, 2912, 3052, 3224, 3328, 3379, 3472, 3488, 3968, 5642, 5668, 5824, 6104, 6448, 6758, 6944, 6976, 7936, 9919, 11284, 11336, 11648, 12208, 12896, 13516, 13888, 13952, 19838, 22568, 22672, 23296, 23653, 24416, 25792, 27032, 27776, 27904, 39676, 43927, 45136, 45344, 47306, 48832, 51584, 54064, 55552, 79352, 87854, 90272, 90688, 94612, 97664, 103168, 108128, 158704, 175708, 180544, 181376, 189224, 195328, 216256, 307489, 317408, 351416, 361088, 362752, 378448, 432512, 614978, 634816, 702832, 722176, 756896, 865024, 1229956, 1269632, 1405664, 1513792, 2459912, 2539264, 2811328, 3027584, 4919824, 5622656, 6055168, 9839648, 11245312, 19679296, 39358592, 78717184]

約数ペア:

[(1, 78717184), (2, 39358592), (4, 19679296), (7, 11245312), (8, 9839648), (13, 6055168), (14, 5622656), (16, 4919824), (26, 3027584), (28, 2811328), (31, 2539264), (32, 2459912), (52, 1513792), (56, 1405664), (62, 1269632), (64, 1229956), (91, 865024), (104, 756896), (109, 722176), (112, 702832), (124, 634816), (128, 614978), (182, 432512), (208, 378448), (217, 362752), (218, 361088), (224, 351416), (248, 317408), (256, 307489), (364, 216256), (403, 195328), (416, 189224), (434, 181376), (436, 180544), (448, 175708), (496, 158704), (728, 108128), (763, 103168), (806, 97664), (832, 94612), (868, 90688), (872, 90272), (896, 87854), (992, 79352), (1417, 55552), (1456, 54064), (1526, 51584), (1612, 48832), (1664, 47306), (1736, 45344), (1744, 45136), (1792, 43927), (1984, 39676), (2821, 27904), (2834, 27776), (2912, 27032), (3052, 25792), (3224, 24416), (3328, 23653), (3379, 23296), (3472, 22672), (3488, 22568), (3968, 19838), (5642, 13952), (5668, 13888), (5824, 13516), (6104, 12896), (6448, 12208), (6758, 11648), (6944, 11336), (6976, 11284), (7936, 9919)]