289469921

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{2797}}^1$

素因数の和:3248

約数の個数: 16

約数和(自身を含む): 329044800

約数和(自身を除く): 39574879

約数列:

[1, 13, 19, 247, 419, 2797, 5447, 7961, 36361, 53143, 103493, 690859, 1171943, 15235259, 22266917, 289469921]

約数ペア:

[(1, 289469921), (13, 22266917), (19, 15235259), (247, 1171943), (419, 690859), (2797, 103493), (5447, 53143), (7961, 36361)]