216794368

素因数分解:

$2^8\times 7^1\times {\mathrm{311}}^1\times {\mathrm{389}}^1$

素因数の和:723

約数の個数: 72

約数和(自身を含む): 497427840

約数和(自身を除く): 280633472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 311, 389, 448, 622, 778, 896, 1244, 1556, 1792, 2177, 2488, 2723, 3112, 4354, 4976, 5446, 6224, 8708, 9952, 10892, 12448, 17416, 19904, 21784, 24896, 34832, 39808, 43568, 49792, 69664, 79616, 87136, 99584, 120979, 139328, 174272, 241958, 278656, 348544, 483916, 557312, 697088, 846853, 967832, 1693706, 1935664, 3387412, 3871328, 6774824, 7742656, 13549648, 15485312, 27099296, 30970624, 54198592, 108397184, 216794368]

約数ペア:

[(1, 216794368), (2, 108397184), (4, 54198592), (7, 30970624), (8, 27099296), (14, 15485312), (16, 13549648), (28, 7742656), (32, 6774824), (56, 3871328), (64, 3387412), (112, 1935664), (128, 1693706), (224, 967832), (256, 846853), (311, 697088), (389, 557312), (448, 483916), (622, 348544), (778, 278656), (896, 241958), (1244, 174272), (1556, 139328), (1792, 120979), (2177, 99584), (2488, 87136), (2723, 79616), (3112, 69664), (4354, 49792), (4976, 43568), (5446, 39808), (6224, 34832), (8708, 24896), (9952, 21784), (10892, 19904), (12448, 17416)]