28639444

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{223}}^1\times {\mathrm{331}}^1$

素因数の和:655

約数の個数: 24

約数和(自身を含む): 51016448

約数和(自身を除く): 22377004

約数列:

[1, 2, 4, 97, 194, 223, 331, 388, 446, 662, 892, 1324, 21631, 32107, 43262, 64214, 73813, 86524, 128428, 147626, 295252, 7159861, 14319722, 28639444]

約数ペア:

[(1, 28639444), (2, 14319722), (4, 7159861), (97, 295252), (194, 147626), (223, 128428), (331, 86524), (388, 73813), (446, 64214), (662, 43262), (892, 32107), (1324, 21631)]