28768135

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 39191040

約数和(自身を除く): 10422905

約数列:

[1, 5, 11, 53, 55, 71, 139, 265, 355, 583, 695, 781, 1529, 2915, 3763, 3905, 7367, 7645, 9869, 18815, 36835, 41393, 49345, 81037, 108559, 206965, 405185, 523057, 542795, 2615285, 5753627, 28768135]

約数ペア:

[(1, 28768135), (5, 5753627), (11, 2615285), (53, 542795), (55, 523057), (71, 405185), (139, 206965), (265, 108559), (355, 81037), (583, 49345), (695, 41393), (781, 36835), (1529, 18815), (2915, 9869), (3763, 7645), (3905, 7367)]