538458518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{947}}^1\times {\mathrm{1151}}^1$

素因数の和:2132

約数の個数: 32

約数和(自身を含む): 917360640

約数和(自身を除く): 378902122

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 947, 1151, 1894, 2302, 12311, 14963, 17993, 21869, 24622, 29926, 35986, 43738, 233909, 284297, 467818, 568594, 1089997, 2179994, 14169961, 20709943, 28339922, 41419886, 269229259, 538458518]

約数ペア:

[(1, 538458518), (2, 269229259), (13, 41419886), (19, 28339922), (26, 20709943), (38, 14169961), (247, 2179994), (494, 1089997), (947, 568594), (1151, 467818), (1894, 284297), (2302, 233909), (12311, 43738), (14963, 35986), (17993, 29926), (21869, 24622)]