257992

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 587520

約数和(自身を除く): 329528

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 271, 476, 542, 952, 1084, 1897, 2168, 3794, 4607, 7588, 9214, 15176, 18428, 32249, 36856, 64498, 128996, 257992]

約数ペア:

[(1, 257992), (2, 128996), (4, 64498), (7, 36856), (8, 32249), (14, 18428), (17, 15176), (28, 9214), (34, 7588), (56, 4607), (68, 3794), (119, 2168), (136, 1897), (238, 1084), (271, 952), (476, 542)]