661509424

素因数分解:

$2^4\times {\mathrm{10211}}^1\times {\mathrm{4049}}^1$

素因数の和:14268

約数の個数: 20

約数和(自身を含む): 1282116600

約数和(自身を除く): 620607176

約数列:

[1, 2, 4, 8, 16, 4049, 8098, 10211, 16196, 20422, 32392, 40844, 64784, 81688, 163376, 41344339, 82688678, 165377356, 330754712, 661509424]

約数ペア:

[(1, 661509424), (2, 330754712), (4, 165377356), (8, 82688678), (16, 41344339), (4049, 163376), (8098, 81688), (10211, 64784), (16196, 40844), (20422, 32392)]