86940.0000000

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 4712400

約数和(自身を除く): 2436152

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 509, 559, 1018, 1118, 2036, 2236, 4072, 4472, 6617, 13234, 21887, 26468, 43774, 52936, 87548, 175096, 284531, 569062, 1138124, 2276248]

約数ペア:

[(1, 2276248), (2, 1138124), (4, 569062), (8, 284531), (13, 175096), (26, 87548), (43, 52936), (52, 43774), (86, 26468), (104, 21887), (172, 13234), (344, 6617), (509, 4472), (559, 4072), (1018, 2236), (1118, 2036)]