205470856

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{457}}^1\times {\mathrm{1307}}^1$

素因数の和:1813

約数の個数: 32

約数和(自身を含む): 395382240

約数和(自身を除く): 189911384

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 457, 914, 1307, 1828, 2614, 3656, 5228, 10456, 19651, 39302, 56201, 78604, 112402, 157208, 224804, 449608, 597299, 1194598, 2389196, 4778392, 25683857, 51367714, 102735428, 205470856]

約数ペア:

[(1, 205470856), (2, 102735428), (4, 51367714), (8, 25683857), (43, 4778392), (86, 2389196), (172, 1194598), (344, 597299), (457, 449608), (914, 224804), (1307, 157208), (1828, 112402), (2614, 78604), (3656, 56201), (5228, 39302), (10456, 19651)]