258596128

素因数分解:

$2^5\times 7^2\times {\mathrm{83}}^1\times {\mathrm{1987}}^1$

素因数の和:2094

約数の個数: 72

約数和(自身を含む): 599668272

約数和(自身を除く): 341072144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 83, 98, 112, 166, 196, 224, 332, 392, 581, 664, 784, 1162, 1328, 1568, 1987, 2324, 2656, 3974, 4067, 4648, 7948, 8134, 9296, 13909, 15896, 16268, 18592, 27818, 31792, 32536, 55636, 63584, 65072, 97363, 111272, 130144, 164921, 194726, 222544, 329842, 389452, 445088, 659684, 778904, 1154447, 1319368, 1557808, 2308894, 2638736, 3115616, 4617788, 5277472, 8081129, 9235576, 16162258, 18471152, 32324516, 36942304, 64649032, 129298064, 258596128]

約数ペア:

[(1, 258596128), (2, 129298064), (4, 64649032), (7, 36942304), (8, 32324516), (14, 18471152), (16, 16162258), (28, 9235576), (32, 8081129), (49, 5277472), (56, 4617788), (83, 3115616), (98, 2638736), (112, 2308894), (166, 1557808), (196, 1319368), (224, 1154447), (332, 778904), (392, 659684), (581, 445088), (664, 389452), (784, 329842), (1162, 222544), (1328, 194726), (1568, 164921), (1987, 130144), (2324, 111272), (2656, 97363), (3974, 65072), (4067, 63584), (4648, 55636), (7948, 32536), (8134, 31792), (9296, 27818), (13909, 18592), (15896, 16268)]