221440908

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1419493}}^1$

素因数の和:1419513

約数の個数: 24

約数和(自身を含む): 556441648

約数和(自身を除く): 335000740

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1419493, 2838986, 4258479, 5677972, 8516958, 17033916, 18453409, 36906818, 55360227, 73813636, 110720454, 221440908]

約数ペア:

[(1, 221440908), (2, 110720454), (3, 73813636), (4, 55360227), (6, 36906818), (12, 18453409), (13, 17033916), (26, 8516958), (39, 5677972), (52, 4258479), (78, 2838986), (156, 1419493)]