221238862

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1279}}^1\times {\mathrm{6653}}^1$

素因数の和:7947

約数の個数: 16

約数和(自身を含む): 357719040

約数和(自身を除く): 136480178

約数列:

[1, 2, 13, 26, 1279, 2558, 6653, 13306, 16627, 33254, 86489, 172978, 8509187, 17018374, 110619431, 221238862]

約数ペア:

[(1, 221238862), (2, 110619431), (13, 17018374), (26, 8509187), (1279, 172978), (2558, 86489), (6653, 33254), (13306, 16627)]