320814872

素因数分解:

$2^3\times 7^1\times {\mathrm{353}}^1\times {\mathrm{16229}}^1$

素因数の和:16595

約数の個数: 32

約数和(自身を含む): 689450400

約数和(自身を除く): 368635528

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 353, 706, 1412, 2471, 2824, 4942, 9884, 16229, 19768, 32458, 64916, 113603, 129832, 227206, 454412, 908824, 5728837, 11457674, 22915348, 40101859, 45830696, 80203718, 160407436, 320814872]

約数ペア:

[(1, 320814872), (2, 160407436), (4, 80203718), (7, 45830696), (8, 40101859), (14, 22915348), (28, 11457674), (56, 5728837), (353, 908824), (706, 454412), (1412, 227206), (2471, 129832), (2824, 113603), (4942, 64916), (9884, 32458), (16229, 19768)]