53137357

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 69950720

約数和(自身を除く): 16813363

約数列:

[1, 7, 13, 19, 73, 91, 133, 247, 421, 511, 949, 1387, 1729, 2947, 5473, 6643, 7999, 9709, 18031, 30733, 38311, 55993, 103987, 126217, 215131, 399529, 583927, 727909, 2796703, 4087489, 7591051, 53137357]

約数ペア:

[(1, 53137357), (7, 7591051), (13, 4087489), (19, 2796703), (73, 727909), (91, 583927), (133, 399529), (247, 215131), (421, 126217), (511, 103987), (949, 55993), (1387, 38311), (1729, 30733), (2947, 18031), (5473, 9709), (6643, 7999)]