28191968

素因数分解:

$2^5\times 7^1\times {\mathrm{127}}^1\times {\mathrm{991}}^1$

素因数の和:1135

約数の個数: 48

約数和(自身を含む): 63995904

約数和(自身を除く): 35803936

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 127, 224, 254, 508, 889, 991, 1016, 1778, 1982, 2032, 3556, 3964, 4064, 6937, 7112, 7928, 13874, 14224, 15856, 27748, 28448, 31712, 55496, 110992, 125857, 221984, 251714, 503428, 880999, 1006856, 1761998, 2013712, 3523996, 4027424, 7047992, 14095984, 28191968]

約数ペア:

[(1, 28191968), (2, 14095984), (4, 7047992), (7, 4027424), (8, 3523996), (14, 2013712), (16, 1761998), (28, 1006856), (32, 880999), (56, 503428), (112, 251714), (127, 221984), (224, 125857), (254, 110992), (508, 55496), (889, 31712), (991, 28448), (1016, 27748), (1778, 15856), (1982, 14224), (2032, 13874), (3556, 7928), (3964, 7112), (4064, 6937)]