28566512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137339}}^1$

素因数の和:137360

約数の個数: 20

約数和(自身を含む): 59605560

約数和(自身を除く): 31039048

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 137339, 274678, 549356, 1098712, 1785407, 2197424, 3570814, 7141628, 14283256, 28566512]

約数ペア:

[(1, 28566512), (2, 14283256), (4, 7141628), (8, 3570814), (13, 2197424), (16, 1785407), (26, 1098712), (52, 549356), (104, 274678), (208, 137339)]