51622753

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 67961600

約数和(自身を除く): 16338847

約数列:

[1, 7, 13, 19, 73, 91, 133, 247, 409, 511, 949, 1387, 1729, 2863, 5317, 6643, 7771, 9709, 18031, 29857, 37219, 54397, 101023, 126217, 208999, 388141, 567283, 707161, 2716987, 3970981, 7374679, 51622753]

約数ペア:

[(1, 51622753), (7, 7374679), (13, 3970981), (19, 2716987), (73, 707161), (91, 567283), (133, 388141), (247, 208999), (409, 126217), (511, 101023), (949, 54397), (1387, 37219), (1729, 29857), (2863, 18031), (5317, 9709), (6643, 7771)]