71387589

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 123863040

約数和(自身を除く): 52475451

約数列:

[1, 3, 7, 13, 21, 29, 39, 71, 87, 91, 127, 203, 213, 273, 377, 381, 497, 609, 889, 923, 1131, 1491, 1651, 2059, 2639, 2667, 2769, 3683, 4953, 6177, 6461, 7917, 9017, 11049, 11557, 14413, 19383, 25781, 26767, 27051, 34671, 43239, 47879, 63119, 77343, 80301, 117221, 143637, 187369, 189357, 261493, 335153, 351663, 562107, 784479, 820547, 1005459, 1830451, 2461641, 3399409, 5491353, 10198227, 23795863, 71387589]

約数ペア:

[(1, 71387589), (3, 23795863), (7, 10198227), (13, 5491353), (21, 3399409), (29, 2461641), (39, 1830451), (71, 1005459), (87, 820547), (91, 784479), (127, 562107), (203, 351663), (213, 335153), (273, 261493), (377, 189357), (381, 187369), (497, 143637), (609, 117221), (889, 80301), (923, 77343), (1131, 63119), (1491, 47879), (1651, 43239), (2059, 34671), (2639, 27051), (2667, 26767), (2769, 25781), (3683, 19383), (4953, 14413), (6177, 11557), (6461, 11049), (7917, 9017)]