28106904

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{571}}^1$

素因数の和:880

約数の個数: 64

約数和(自身を含む): 80720640

約数和(自身を除く): 52613736

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 293, 571, 586, 879, 1142, 1172, 1713, 1758, 2051, 2284, 2344, 3426, 3516, 3997, 4102, 4568, 6153, 6852, 7032, 7994, 8204, 11991, 12306, 13704, 15988, 16408, 23982, 24612, 31976, 47964, 49224, 95928, 167303, 334606, 501909, 669212, 1003818, 1171121, 1338424, 2007636, 2342242, 3513363, 4015272, 4684484, 7026726, 9368968, 14053452, 28106904]

約数ペア:

[(1, 28106904), (2, 14053452), (3, 9368968), (4, 7026726), (6, 4684484), (7, 4015272), (8, 3513363), (12, 2342242), (14, 2007636), (21, 1338424), (24, 1171121), (28, 1003818), (42, 669212), (56, 501909), (84, 334606), (168, 167303), (293, 95928), (571, 49224), (586, 47964), (879, 31976), (1142, 24612), (1172, 23982), (1713, 16408), (1758, 15988), (2051, 13704), (2284, 12306), (2344, 11991), (3426, 8204), (3516, 7994), (3997, 7032), (4102, 6852), (4568, 6153)]