26221615

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 39726720

約数和(自身を除く): 13505105

約数列:

[1, 5, 7, 19, 35, 43, 49, 95, 131, 133, 215, 245, 301, 655, 665, 817, 917, 931, 1505, 2107, 2489, 4085, 4585, 4655, 5633, 5719, 6419, 10535, 12445, 17423, 28165, 28595, 32095, 39431, 40033, 87115, 107027, 121961, 197155, 200165, 276017, 535135, 609805, 749189, 1380085, 3745945, 5244323, 26221615]

約数ペア:

[(1, 26221615), (5, 5244323), (7, 3745945), (19, 1380085), (35, 749189), (43, 609805), (49, 535135), (95, 276017), (131, 200165), (133, 197155), (215, 121961), (245, 107027), (301, 87115), (655, 40033), (665, 39431), (817, 32095), (917, 28595), (931, 28165), (1505, 17423), (2107, 12445), (2489, 10535), (4085, 6419), (4585, 5719), (4655, 5633)]