81910948

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{10193}}^1$

素因数の和:10252

約数の個数: 36

約数和(自身を含む): 170831052

約数和(自身を除く): 88920104

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 164, 196, 287, 574, 1148, 2009, 4018, 8036, 10193, 20386, 40772, 71351, 142702, 285404, 417913, 499457, 835826, 998914, 1671652, 1997828, 2925391, 5850782, 11701564, 20477737, 40955474, 81910948]

約数ペア:

[(1, 81910948), (2, 40955474), (4, 20477737), (7, 11701564), (14, 5850782), (28, 2925391), (41, 1997828), (49, 1671652), (82, 998914), (98, 835826), (164, 499457), (196, 417913), (287, 285404), (574, 142702), (1148, 71351), (2009, 40772), (4018, 20386), (8036, 10193)]