28287710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257161}}^1$

素因数の和:257179

約数の個数: 16

約数和(自身を含む): 55546992

約数和(自身を除く): 27259282

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 257161, 514322, 1285805, 2571610, 2828771, 5657542, 14143855, 28287710]

約数ペア:

[(1, 28287710), (2, 14143855), (5, 5657542), (10, 2828771), (11, 2571610), (22, 1285805), (55, 514322), (110, 257161)]