64740884

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1245017}}^1$

素因数の和:1245034

約数の個数: 12

約数和(自身を含む): 122011764

約数和(自身を除く): 57270880

約数列:

[1, 2, 4, 13, 26, 52, 1245017, 2490034, 4980068, 16185221, 32370442, 64740884]

約数ペア:

[(1, 64740884), (2, 32370442), (4, 16185221), (13, 4980068), (26, 2490034), (52, 1245017)]