28572752

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137369}}^1$

素因数の和:137390

約数の個数: 20

約数和(自身を含む): 59618580

約数和(自身を除く): 31045828

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 137369, 274738, 549476, 1098952, 1785797, 2197904, 3571594, 7143188, 14286376, 28572752]

約数ペア:

[(1, 28572752), (2, 14286376), (4, 7143188), (8, 3571594), (13, 2197904), (16, 1785797), (26, 1098952), (52, 549476), (104, 274738), (208, 137369)]