1281320005

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{113341}}^1$

素因数の和:113389

約数の個数: 32

約数和(自身を含む): 1958549760

約数和(自身を除く): 677229755

約数列:

[1, 5, 7, 17, 19, 35, 85, 95, 119, 133, 323, 595, 665, 1615, 2261, 11305, 113341, 566705, 793387, 1926797, 2153479, 3966935, 9633985, 10767395, 13487579, 15074353, 36609143, 67437895, 75371765, 183045715, 256264001, 1281320005]

約数ペア:

[(1, 1281320005), (5, 256264001), (7, 183045715), (17, 75371765), (19, 67437895), (35, 36609143), (85, 15074353), (95, 13487579), (119, 10767395), (133, 9633985), (323, 3966935), (595, 2153479), (665, 1926797), (1615, 793387), (2261, 566705), (11305, 113341)]