28879928

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{271}}^1$

素因数の和:468

約数の個数: 64

約数和(自身を含む): 68152320

約数和(自身を除く): 39272392

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 173, 271, 308, 346, 542, 616, 692, 1084, 1211, 1384, 1897, 1903, 2168, 2422, 2981, 3794, 3806, 4844, 5962, 7588, 7612, 9688, 11924, 13321, 15176, 15224, 20867, 23848, 26642, 41734, 46883, 53284, 83468, 93766, 106568, 166936, 187532, 328181, 375064, 515713, 656362, 1031426, 1312724, 2062852, 2625448, 3609991, 4125704, 7219982, 14439964, 28879928]

約数ペア:

[(1, 28879928), (2, 14439964), (4, 7219982), (7, 4125704), (8, 3609991), (11, 2625448), (14, 2062852), (22, 1312724), (28, 1031426), (44, 656362), (56, 515713), (77, 375064), (88, 328181), (154, 187532), (173, 166936), (271, 106568), (308, 93766), (346, 83468), (542, 53284), (616, 46883), (692, 41734), (1084, 26642), (1211, 23848), (1384, 20867), (1897, 15224), (1903, 15176), (2168, 13321), (2422, 11924), (2981, 9688), (3794, 7612), (3806, 7588), (4844, 5962)]