2156868616

素因数分解:

$2^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{373937}}^1$

素因数の和:374053

約数の個数: 32

約数和(自身を含む): 4666746240

約数和(自身を除く): 2509877624

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 103, 206, 412, 721, 824, 1442, 2884, 5768, 373937, 747874, 1495748, 2617559, 2991496, 5235118, 10470236, 20940472, 38515511, 77031022, 154062044, 269608577, 308124088, 539217154, 1078434308, 2156868616]

約数ペア:

[(1, 2156868616), (2, 1078434308), (4, 539217154), (7, 308124088), (8, 269608577), (14, 154062044), (28, 77031022), (56, 38515511), (103, 20940472), (206, 10470236), (412, 5235118), (721, 2991496), (824, 2617559), (1442, 1495748), (2884, 747874), (5768, 373937)]