79858009

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 103403520

約数和(自身を除く): 23545511

約数列:

[1, 7, 11, 43, 77, 89, 271, 301, 473, 623, 979, 1897, 2981, 3311, 3827, 6853, 11653, 20867, 24119, 26789, 42097, 81571, 128183, 168833, 265309, 294679, 897281, 1037117, 1857163, 7259819, 11408287, 79858009]

約数ペア:

[(1, 79858009), (7, 11408287), (11, 7259819), (43, 1857163), (77, 1037117), (89, 897281), (271, 294679), (301, 265309), (473, 168833), (623, 128183), (979, 81571), (1897, 42097), (2981, 26789), (3311, 24119), (3827, 20867), (6853, 11653)]