313431386

素因数分解:

$2^1\times {\mathrm{43}}^2\times {\mathrm{131}}^1\times {\mathrm{647}}^1$

素因数の和:866

約数の個数: 24

約数和(自身を含む): 485758944

約数和(自身を除く): 172327558

約数列:

[1, 2, 43, 86, 131, 262, 647, 1294, 1849, 3698, 5633, 11266, 27821, 55642, 84757, 169514, 242219, 484438, 1196303, 2392606, 3644551, 7289102, 156715693, 313431386]

約数ペア:

[(1, 313431386), (2, 156715693), (43, 7289102), (86, 3644551), (131, 2392606), (262, 1196303), (647, 484438), (1294, 242219), (1849, 169514), (3698, 84757), (5633, 55642), (11266, 27821)]