11921987

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 16243200

約数和(自身を除く): 4321213

約数列:

[1, 7, 11, 19, 29, 77, 133, 203, 209, 281, 319, 551, 1463, 1967, 2233, 3091, 3857, 5339, 6061, 8149, 21637, 37373, 42427, 57043, 58729, 89639, 154831, 411103, 627473, 1083817, 1703141, 11921987]

約数ペア:

[(1, 11921987), (7, 1703141), (11, 1083817), (19, 627473), (29, 411103), (77, 154831), (133, 89639), (203, 58729), (209, 57043), (281, 42427), (319, 37373), (551, 21637), (1463, 8149), (1967, 6061), (2233, 5339), (3091, 3857)]