80565548

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{761}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 170688000

約数和(自身を除く): 90122452

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 199, 266, 398, 532, 761, 796, 1393, 1522, 2786, 3044, 3781, 5327, 5572, 7562, 10654, 14459, 15124, 21308, 26467, 28918, 52934, 57836, 101213, 105868, 151439, 202426, 302878, 404852, 605756, 1060073, 2120146, 2877341, 4240292, 5754682, 11509364, 20141387, 40282774, 80565548]

約数ペア:

[(1, 80565548), (2, 40282774), (4, 20141387), (7, 11509364), (14, 5754682), (19, 4240292), (28, 2877341), (38, 2120146), (76, 1060073), (133, 605756), (199, 404852), (266, 302878), (398, 202426), (532, 151439), (761, 105868), (796, 101213), (1393, 57836), (1522, 52934), (2786, 28918), (3044, 26467), (3781, 21308), (5327, 15124), (5572, 14459), (7562, 10654)]