31753579

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:116

約数の個数: 48

約数和(自身を含む): 42163200

約数和(自身を除く): 10409621

約数列:

[1, 11, 13, 19, 29, 31, 143, 169, 209, 247, 319, 341, 377, 403, 551, 589, 899, 1859, 2717, 3211, 4147, 4433, 4901, 5239, 6061, 6479, 7163, 7657, 9889, 11687, 17081, 35321, 53911, 57629, 78793, 84227, 93119, 99541, 128557, 151931, 187891, 222053, 1024309, 1094951, 1671241, 2442583, 2886689, 31753579]

約数ペア:

[(1, 31753579), (11, 2886689), (13, 2442583), (19, 1671241), (29, 1094951), (31, 1024309), (143, 222053), (169, 187891), (209, 151931), (247, 128557), (319, 99541), (341, 93119), (377, 84227), (403, 78793), (551, 57629), (589, 53911), (899, 35321), (1859, 17081), (2717, 11687), (3211, 9889), (4147, 7657), (4433, 7163), (4901, 6479), (5239, 6061)]