28211788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{991}}^1$

素因数の和:1653

約数の個数: 24

約数和(自身を含む): 53996544

約数和(自身を除く): 25784756

約数列:

[1, 2, 4, 11, 22, 44, 647, 991, 1294, 1982, 2588, 3964, 7117, 10901, 14234, 21802, 28468, 43604, 641177, 1282354, 2564708, 7052947, 14105894, 28211788]

約数ペア:

[(1, 28211788), (2, 14105894), (4, 7052947), (11, 2564708), (22, 1282354), (44, 641177), (647, 43604), (991, 28468), (1294, 21802), (1982, 14234), (2588, 10901), (3964, 7117)]