28444988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{223}}^2$

素因数の和:474

約数の個数: 36

約数和(自身を含む): 58744728

約数和(自身を除く): 30299740

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 223, 286, 446, 572, 892, 2453, 2899, 4906, 5798, 9812, 11596, 31889, 49729, 63778, 99458, 127556, 198916, 547019, 646477, 1094038, 1292954, 2188076, 2585908, 7111247, 14222494, 28444988]

約数ペア:

[(1, 28444988), (2, 14222494), (4, 7111247), (11, 2585908), (13, 2188076), (22, 1292954), (26, 1094038), (44, 646477), (52, 547019), (143, 198916), (223, 127556), (286, 99458), (446, 63778), (572, 49729), (892, 31889), (2453, 11596), (2899, 9812), (4906, 5798)]