209570257

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{1823}}^1$

素因数の和:2112

約数の個数: 16

約数和(自身を含む): 232888320

約数和(自身を除く): 23318063

約数列:

[1, 13, 37, 239, 481, 1823, 3107, 8843, 23699, 67451, 114959, 435697, 876863, 5664061, 16120789, 209570257]

約数ペア:

[(1, 209570257), (13, 16120789), (37, 5664061), (239, 876863), (481, 435697), (1823, 114959), (3107, 67451), (8843, 23699)]