28391104

素因数分解:

$2^6\times 7^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:645

約数の個数: 56

約数和(自身を含む): 65024000

約数和(自身を除く): 36632896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 127, 224, 254, 448, 499, 508, 889, 998, 1016, 1778, 1996, 2032, 3493, 3556, 3992, 4064, 6986, 7112, 7984, 8128, 13972, 14224, 15968, 27944, 28448, 31936, 55888, 56896, 63373, 111776, 126746, 223552, 253492, 443611, 506984, 887222, 1013968, 1774444, 2027936, 3548888, 4055872, 7097776, 14195552, 28391104]

約数ペア:

[(1, 28391104), (2, 14195552), (4, 7097776), (7, 4055872), (8, 3548888), (14, 2027936), (16, 1774444), (28, 1013968), (32, 887222), (56, 506984), (64, 443611), (112, 253492), (127, 223552), (224, 126746), (254, 111776), (448, 63373), (499, 56896), (508, 55888), (889, 31936), (998, 28448), (1016, 27944), (1778, 15968), (1996, 14224), (2032, 13972), (3493, 8128), (3556, 7984), (3992, 7112), (4064, 6986)]