28598128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137491}}^1$

素因数の和:137512

約数の個数: 20

約数和(自身を含む): 59671528

約数和(自身を除く): 31073400

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 137491, 274982, 549964, 1099928, 1787383, 2199856, 3574766, 7149532, 14299064, 28598128]

約数ペア:

[(1, 28598128), (2, 14299064), (4, 7149532), (8, 3574766), (13, 2199856), (16, 1787383), (26, 1099928), (52, 549964), (104, 274982), (208, 137491)]