65312585

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{2089}}^1$

素因数の和:2157

約数の個数: 24

約数和(自身を含む): 87203160

約数和(自身を除く): 21890575

約数列:

[1, 5, 13, 37, 65, 169, 185, 481, 845, 2089, 2405, 6253, 10445, 27157, 31265, 77293, 135785, 353041, 386465, 1004809, 1765205, 5024045, 13062517, 65312585]

約数ペア:

[(1, 65312585), (5, 13062517), (13, 5024045), (37, 1765205), (65, 1004809), (169, 386465), (185, 353041), (481, 135785), (845, 77293), (2089, 31265), (2405, 27157), (6253, 10445)]