64578865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{7823}}^1$

素因数の和:7968

約数の個数: 16

約数和(自身を含む): 84123648

約数和(自身を除く): 19544783

約数列:

[1, 5, 13, 65, 127, 635, 1651, 7823, 8255, 39115, 101699, 508495, 993521, 4967605, 12915773, 64578865]

約数ペア:

[(1, 64578865), (5, 12915773), (13, 4967605), (65, 993521), (127, 508495), (635, 101699), (1651, 39115), (7823, 8255)]