1280454978

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{1721}}^1\times {\mathrm{11273}}^1$

素因数の和:13010

約数の個数: 32

約数和(自身を含む): 2795591232

約数和(自身を除く): 1515136254

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 1721, 3442, 5163, 10326, 11273, 18931, 22546, 33819, 37862, 56793, 67638, 113586, 124003, 248006, 372009, 744018, 19400833, 38801666, 58202499, 116404998, 213409163, 426818326, 640227489, 1280454978]

約数ペア:

[(1, 1280454978), (2, 640227489), (3, 426818326), (6, 213409163), (11, 116404998), (22, 58202499), (33, 38801666), (66, 19400833), (1721, 744018), (3442, 372009), (5163, 248006), (10326, 124003), (11273, 113586), (18931, 67638), (22546, 56793), (33819, 37862)]