39919145

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2917}}^1$

素因数の和:2969

約数の個数: 32

約数和(自身を含む): 60507648

約数和(自身を除く): 20588503

約数列:

[1, 5, 7, 17, 23, 35, 85, 115, 119, 161, 391, 595, 805, 1955, 2737, 2917, 13685, 14585, 20419, 49589, 67091, 102095, 247945, 335455, 347123, 469637, 1140547, 1735615, 2348185, 5702735, 7983829, 39919145]

約数ペア:

[(1, 39919145), (5, 7983829), (7, 5702735), (17, 2348185), (23, 1735615), (35, 1140547), (85, 469637), (115, 347123), (119, 335455), (161, 247945), (391, 102095), (595, 67091), (805, 49589), (1955, 20419), (2737, 14585), (2917, 13685)]