81424432

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:553

約数の個数: 40

約数和(自身を含む): 160704000

約数和(自身を除く): 79279568

約数列:

[1, 2, 4, 8, 16, 107, 199, 214, 239, 398, 428, 478, 796, 856, 956, 1592, 1712, 1912, 3184, 3824, 21293, 25573, 42586, 47561, 51146, 85172, 95122, 102292, 170344, 190244, 204584, 340688, 380488, 409168, 760976, 5089027, 10178054, 20356108, 40712216, 81424432]

約数ペア:

[(1, 81424432), (2, 40712216), (4, 20356108), (8, 10178054), (16, 5089027), (107, 760976), (199, 409168), (214, 380488), (239, 340688), (398, 204584), (428, 190244), (478, 170344), (796, 102292), (856, 95122), (956, 85172), (1592, 51146), (1712, 47561), (1912, 42586), (3184, 25573), (3824, 21293)]