80777284

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 175560000

約数和(自身を除く): 94782716

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 109, 133, 196, 199, 218, 266, 398, 436, 532, 763, 796, 931, 1393, 1526, 1862, 2071, 2786, 3052, 3724, 3781, 4142, 5341, 5572, 7562, 8284, 9751, 10682, 14497, 15124, 19502, 21364, 21691, 26467, 28994, 39004, 43382, 52934, 57988, 86764, 101479, 105868, 151837, 185269, 202958, 303674, 370538, 405916, 412129, 607348, 741076, 824258, 1062859, 1648516, 2125718, 2884903, 4251436, 5769806, 11539612, 20194321, 40388642, 80777284]

約数ペア:

[(1, 80777284), (2, 40388642), (4, 20194321), (7, 11539612), (14, 5769806), (19, 4251436), (28, 2884903), (38, 2125718), (49, 1648516), (76, 1062859), (98, 824258), (109, 741076), (133, 607348), (196, 412129), (199, 405916), (218, 370538), (266, 303674), (398, 202958), (436, 185269), (532, 151837), (763, 105868), (796, 101479), (931, 86764), (1393, 57988), (1526, 52934), (1862, 43382), (2071, 39004), (2786, 28994), (3052, 26467), (3724, 21691), (3781, 21364), (4142, 19502), (5341, 15124), (5572, 14497), (7562, 10682), (8284, 9751)]