28078219

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:275

約数の個数: 24

約数和(自身を含む): 33113472

約数和(自身を除く): 5035253

約数列:

[1, 13, 19, 31, 193, 247, 361, 403, 589, 2509, 3667, 4693, 5983, 7657, 11191, 47671, 69673, 77779, 113677, 145483, 905749, 1477801, 2159863, 28078219]

約数ペア:

[(1, 28078219), (13, 2159863), (19, 1477801), (31, 905749), (193, 145483), (247, 113677), (361, 77779), (403, 69673), (589, 47671), (2509, 11191), (3667, 7657), (4693, 5983)]