81977522

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{449}}^1$

素因数の和:698

約数の個数: 32

約数和(自身を含む): 138283200

約数和(自身を除く): 56305678

約数列:

[1, 2, 11, 22, 43, 86, 193, 386, 449, 473, 898, 946, 2123, 4246, 4939, 8299, 9878, 16598, 19307, 38614, 86657, 91289, 173314, 182578, 212377, 424754, 953227, 1906454, 3726251, 7452502, 40988761, 81977522]

約数ペア:

[(1, 81977522), (2, 40988761), (11, 7452502), (22, 3726251), (43, 1906454), (86, 953227), (193, 424754), (386, 212377), (449, 182578), (473, 173314), (898, 91289), (946, 86657), (2123, 38614), (4246, 19307), (4939, 16598), (8299, 9878)]