81595388

素因数分解:

$2^2\times 7^2\times {\mathrm{211}}^1\times {\mathrm{1973}}^1$

素因数の和:2202

約数の個数: 36

約数和(自身を含む): 166976712

約数和(自身を除く): 85381324

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 211, 422, 844, 1477, 1973, 2954, 3946, 5908, 7892, 10339, 13811, 20678, 27622, 41356, 55244, 96677, 193354, 386708, 416303, 832606, 1665212, 2914121, 5828242, 11656484, 20398847, 40797694, 81595388]

約数ペア:

[(1, 81595388), (2, 40797694), (4, 20398847), (7, 11656484), (14, 5828242), (28, 2914121), (49, 1665212), (98, 832606), (196, 416303), (211, 386708), (422, 193354), (844, 96677), (1477, 55244), (1973, 41356), (2954, 27622), (3946, 20678), (5908, 13811), (7892, 10339)]