64276868

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{2543}}^1$

素因数の和:2707

約数の個数: 24

約数和(自身を含む): 115395840

約数和(自身を除く): 51118972

約数列:

[1, 2, 4, 71, 89, 142, 178, 284, 356, 2543, 5086, 6319, 10172, 12638, 25276, 180553, 226327, 361106, 452654, 722212, 905308, 16069217, 32138434, 64276868]

約数ペア:

[(1, 64276868), (2, 32138434), (4, 16069217), (71, 905308), (89, 722212), (142, 452654), (178, 361106), (284, 226327), (356, 180553), (2543, 25276), (5086, 12638), (6319, 10172)]