28864724

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{337}}^1$

素因数の和:397

約数の個数: 72

約数和(自身を含む): 64733760

約数和(自身を除く): 35869036

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 38, 46, 49, 76, 92, 98, 133, 161, 196, 266, 322, 337, 437, 532, 644, 674, 874, 931, 1127, 1348, 1748, 1862, 2254, 2359, 3059, 3724, 4508, 4718, 6118, 6403, 7751, 9436, 12236, 12806, 15502, 16513, 21413, 25612, 31004, 33026, 42826, 44821, 54257, 66052, 85652, 89642, 108514, 147269, 179284, 217028, 294538, 313747, 379799, 589076, 627494, 759598, 1030883, 1254988, 1519196, 2061766, 4123532, 7216181, 14432362, 28864724]

約数ペア:

[(1, 28864724), (2, 14432362), (4, 7216181), (7, 4123532), (14, 2061766), (19, 1519196), (23, 1254988), (28, 1030883), (38, 759598), (46, 627494), (49, 589076), (76, 379799), (92, 313747), (98, 294538), (133, 217028), (161, 179284), (196, 147269), (266, 108514), (322, 89642), (337, 85652), (437, 66052), (532, 54257), (644, 44821), (674, 42826), (874, 33026), (931, 31004), (1127, 25612), (1348, 21413), (1748, 16513), (1862, 15502), (2254, 12806), (2359, 12236), (3059, 9436), (3724, 7751), (4508, 6403), (4718, 6118)]