247112656

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{691}}^1$

素因数の和:840

約数の個数: 80

約数和(自身を含む): 571138048

約数和(自身を除く): 324025392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 103, 112, 124, 206, 217, 248, 412, 434, 496, 691, 721, 824, 868, 1382, 1442, 1648, 1736, 2764, 2884, 3193, 3472, 4837, 5528, 5768, 6386, 9674, 11056, 11536, 12772, 19348, 21421, 22351, 25544, 38696, 42842, 44702, 51088, 71173, 77392, 85684, 89404, 142346, 149947, 171368, 178808, 284692, 299894, 342736, 357616, 498211, 569384, 599788, 996422, 1138768, 1199576, 1992844, 2206363, 2399152, 3985688, 4412726, 7971376, 8825452, 15444541, 17650904, 30889082, 35301808, 61778164, 123556328, 247112656]

約数ペア:

[(1, 247112656), (2, 123556328), (4, 61778164), (7, 35301808), (8, 30889082), (14, 17650904), (16, 15444541), (28, 8825452), (31, 7971376), (56, 4412726), (62, 3985688), (103, 2399152), (112, 2206363), (124, 1992844), (206, 1199576), (217, 1138768), (248, 996422), (412, 599788), (434, 569384), (496, 498211), (691, 357616), (721, 342736), (824, 299894), (868, 284692), (1382, 178808), (1442, 171368), (1648, 149947), (1736, 142346), (2764, 89404), (2884, 85684), (3193, 77392), (3472, 71173), (4837, 51088), (5528, 44702), (5768, 42842), (6386, 38696), (9674, 25544), (11056, 22351), (11536, 21421), (12772, 19348)]