64553275

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{269}}^1\times {\mathrm{331}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 83365200

約数和(自身を除く): 18811925

約数列:

[1, 5, 25, 29, 145, 269, 331, 725, 1345, 1655, 6725, 7801, 8275, 9599, 39005, 47995, 89039, 195025, 239975, 445195, 2225975, 2582131, 12910655, 64553275]

約数ペア:

[(1, 64553275), (5, 12910655), (25, 2582131), (29, 2225975), (145, 445195), (269, 239975), (331, 195025), (725, 89039), (1345, 47995), (1655, 39005), (6725, 9599), (7801, 8275)]