81595768

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{1229}}^1$

素因数の和:1471

約数の個数: 32

約数和(自身を含む): 157489200

約数和(自身を除く): 75893432

約数列:

[1, 2, 4, 8, 43, 86, 172, 193, 344, 386, 772, 1229, 1544, 2458, 4916, 8299, 9832, 16598, 33196, 52847, 66392, 105694, 211388, 237197, 422776, 474394, 948788, 1897576, 10199471, 20398942, 40797884, 81595768]

約数ペア:

[(1, 81595768), (2, 40797884), (4, 20398942), (8, 10199471), (43, 1897576), (86, 948788), (172, 474394), (193, 422776), (344, 237197), (386, 211388), (772, 105694), (1229, 66392), (1544, 52847), (2458, 33196), (4916, 16598), (8299, 9832)]