221011856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1062557}}^1$

素因数の和:1062578

約数の個数: 20

約数和(自身を含む): 461150172

約数和(自身を除く): 240138316

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1062557, 2125114, 4250228, 8500456, 13813241, 17000912, 27626482, 55252964, 110505928, 221011856]

約数ペア:

[(1, 221011856), (2, 110505928), (4, 55252964), (8, 27626482), (13, 17000912), (16, 13813241), (26, 8500456), (52, 4250228), (104, 2125114), (208, 1062557)]