64894795

素因数分解:

$5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:435

約数の個数: 32

約数和(自身を含む): 91445760

約数和(自身を除く): 26550965

約数列:

[1, 5, 7, 35, 83, 89, 251, 415, 445, 581, 623, 1255, 1757, 2905, 3115, 7387, 8785, 20833, 22339, 36935, 51709, 104165, 111695, 145831, 156373, 258545, 729155, 781865, 1854137, 9270685, 12978959, 64894795]

約数ペア:

[(1, 64894795), (5, 12978959), (7, 9270685), (35, 1854137), (83, 781865), (89, 729155), (251, 258545), (415, 156373), (445, 145831), (581, 111695), (623, 104165), (1255, 51709), (1757, 36935), (2905, 22339), (3115, 20833), (7387, 8785)]