247931464

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{65521}}^1$

素因数の和:65581

約数の個数: 32

約数和(自身を含む): 518934240

約数和(自身を除く): 271002776

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 3784, 65521, 131042, 262084, 524168, 720731, 1441462, 2817403, 2882924, 5634806, 5765848, 11269612, 22539224, 30991433, 61982866, 123965732, 247931464]

約数ペア:

[(1, 247931464), (2, 123965732), (4, 61982866), (8, 30991433), (11, 22539224), (22, 11269612), (43, 5765848), (44, 5634806), (86, 2882924), (88, 2817403), (172, 1441462), (344, 720731), (473, 524168), (946, 262084), (1892, 131042), (3784, 65521)]