81886686

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{577}}^1$

素因数の和:729

約数の個数: 64

約数和(自身を含む): 195317760

約数和(自身を除く): 113431074

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 109, 186, 217, 218, 327, 434, 577, 651, 654, 763, 1154, 1302, 1526, 1731, 2289, 3379, 3462, 4039, 4578, 6758, 8078, 10137, 12117, 17887, 20274, 23653, 24234, 35774, 47306, 53661, 62893, 70959, 107322, 125209, 125786, 141918, 188679, 250418, 375627, 377358, 440251, 751254, 880502, 1320753, 1949683, 2641506, 3899366, 5849049, 11698098, 13647781, 27295562, 40943343, 81886686]

約数ペア:

[(1, 81886686), (2, 40943343), (3, 27295562), (6, 13647781), (7, 11698098), (14, 5849049), (21, 3899366), (31, 2641506), (42, 1949683), (62, 1320753), (93, 880502), (109, 751254), (186, 440251), (217, 377358), (218, 375627), (327, 250418), (434, 188679), (577, 141918), (651, 125786), (654, 125209), (763, 107322), (1154, 70959), (1302, 62893), (1526, 53661), (1731, 47306), (2289, 35774), (3379, 24234), (3462, 23653), (4039, 20274), (4578, 17887), (6758, 12117), (8078, 10137)]