206983105

素因数分解:

$5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 298836864

約数和(自身を除く): 91853759

約数列:

[1, 5, 7, 35, 49, 71, 73, 163, 245, 355, 365, 497, 511, 815, 1141, 2485, 2555, 3479, 3577, 5183, 5705, 7987, 11573, 11899, 17395, 17885, 25915, 36281, 39935, 57865, 59495, 81011, 83293, 181405, 253967, 405055, 416465, 567077, 583051, 844829, 1269835, 2835385, 2915255, 4224145, 5913803, 29569015, 41396621, 206983105]

約数ペア:

[(1, 206983105), (5, 41396621), (7, 29569015), (35, 5913803), (49, 4224145), (71, 2915255), (73, 2835385), (163, 1269835), (245, 844829), (355, 583051), (365, 567077), (497, 416465), (511, 405055), (815, 253967), (1141, 181405), (2485, 83293), (2555, 81011), (3479, 59495), (3577, 57865), (5183, 39935), (5705, 36281), (7987, 25915), (11573, 17885), (11899, 17395)]