13505219

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 17902080

約数和(自身を除く): 4396861

約数列:

[1, 7, 13, 19, 73, 91, 107, 133, 247, 511, 749, 949, 1387, 1391, 1729, 2033, 6643, 7811, 9709, 9737, 14231, 18031, 26429, 54677, 101543, 126217, 148409, 185003, 710801, 1038863, 1929317, 13505219]

約数ペア:

[(1, 13505219), (7, 1929317), (13, 1038863), (19, 710801), (73, 185003), (91, 148409), (107, 126217), (133, 101543), (247, 54677), (511, 26429), (749, 18031), (949, 14231), (1387, 9737), (1391, 9709), (1729, 7811), (2033, 6643)]