643801088

素因数分解:

$2^{13}\times 7^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:245

約数の個数: 112

約数和(自身を含む): 1499372160

約数和(自身を除く): 855571072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 103, 109, 112, 128, 206, 218, 224, 256, 412, 436, 448, 512, 721, 763, 824, 872, 896, 1024, 1442, 1526, 1648, 1744, 1792, 2048, 2884, 3052, 3296, 3488, 3584, 4096, 5768, 6104, 6592, 6976, 7168, 8192, 11227, 11536, 12208, 13184, 13952, 14336, 22454, 23072, 24416, 26368, 27904, 28672, 44908, 46144, 48832, 52736, 55808, 57344, 78589, 89816, 92288, 97664, 105472, 111616, 157178, 179632, 184576, 195328, 210944, 223232, 314356, 359264, 369152, 390656, 421888, 446464, 628712, 718528, 738304, 781312, 843776, 892928, 1257424, 1437056, 1476608, 1562624, 2514848, 2874112, 2953216, 3125248, 5029696, 5748224, 5906432, 6250496, 10059392, 11496448, 20118784, 22992896, 40237568, 45985792, 80475136, 91971584, 160950272, 321900544, 643801088]

約数ペア:

[(1, 643801088), (2, 321900544), (4, 160950272), (7, 91971584), (8, 80475136), (14, 45985792), (16, 40237568), (28, 22992896), (32, 20118784), (56, 11496448), (64, 10059392), (103, 6250496), (109, 5906432), (112, 5748224), (128, 5029696), (206, 3125248), (218, 2953216), (224, 2874112), (256, 2514848), (412, 1562624), (436, 1476608), (448, 1437056), (512, 1257424), (721, 892928), (763, 843776), (824, 781312), (872, 738304), (896, 718528), (1024, 628712), (1442, 446464), (1526, 421888), (1648, 390656), (1744, 369152), (1792, 359264), (2048, 314356), (2884, 223232), (3052, 210944), (3296, 195328), (3488, 184576), (3584, 179632), (4096, 157178), (5768, 111616), (6104, 105472), (6592, 97664), (6976, 92288), (7168, 89816), (8192, 78589), (11227, 57344), (11536, 55808), (12208, 52736), (13184, 48832), (13952, 46144), (14336, 44908), (22454, 28672), (23072, 27904), (24416, 26368)]