64440545

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{76261}}^1$

素因数の和:76292

約数の個数: 12

約数和(自身を含む): 83735676

約数和(自身を除く): 19295131

約数列:

[1, 5, 13, 65, 169, 845, 76261, 381305, 991393, 4956965, 12888109, 64440545]

約数ペア:

[(1, 64440545), (5, 12888109), (13, 4956965), (65, 991393), (169, 381305), (845, 76261)]