256522672

素因数分解:

$2^4\times 7^1\times {\mathrm{293}}^1\times {\mathrm{7817}}^1$

素因数の和:8125

約数の個数: 40

約数和(自身を含む): 570026016

約数和(自身を除く): 313503344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 293, 586, 1172, 2051, 2344, 4102, 4688, 7817, 8204, 15634, 16408, 31268, 32816, 54719, 62536, 109438, 125072, 218876, 437752, 875504, 2290381, 4580762, 9161524, 16032667, 18323048, 32065334, 36646096, 64130668, 128261336, 256522672]

約数ペア:

[(1, 256522672), (2, 128261336), (4, 64130668), (7, 36646096), (8, 32065334), (14, 18323048), (16, 16032667), (28, 9161524), (56, 4580762), (112, 2290381), (293, 875504), (586, 437752), (1172, 218876), (2051, 125072), (2344, 109438), (4102, 62536), (4688, 54719), (7817, 32816), (8204, 31268), (15634, 16408)]