28782052

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{42577}}^1$

素因数の和:42607

約数の個数: 18

約数和(自身を含む): 54542418

約数和(自身を除く): 25760366

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 42577, 85154, 170308, 553501, 1107002, 2214004, 7195513, 14391026, 28782052]

約数ペア:

[(1, 28782052), (2, 14391026), (4, 7195513), (13, 2214004), (26, 1107002), (52, 553501), (169, 170308), (338, 85154), (676, 42577)]