289382288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1391261}}^1$

素因数の和:1391282

約数の個数: 20

約数和(自身を含む): 603807708

約数和(自身を除く): 314425420

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1391261, 2782522, 5565044, 11130088, 18086393, 22260176, 36172786, 72345572, 144691144, 289382288]

約数ペア:

[(1, 289382288), (2, 144691144), (4, 72345572), (8, 36172786), (13, 22260176), (16, 18086393), (26, 11130088), (52, 5565044), (104, 2782522), (208, 1391261)]