201665915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1201}}^1$

素因数の和:1331

約数の個数: 32

約数和(自身を含む): 274171392

約数和(自身を除く): 72505477

約数列:

[1, 5, 11, 43, 55, 71, 215, 355, 473, 781, 1201, 2365, 3053, 3905, 6005, 13211, 15265, 33583, 51643, 66055, 85271, 167915, 258215, 426355, 568073, 937981, 2840365, 3666653, 4689905, 18333265, 40333183, 201665915]

約数ペア:

[(1, 201665915), (5, 40333183), (11, 18333265), (43, 4689905), (55, 3666653), (71, 2840365), (215, 937981), (355, 568073), (473, 426355), (781, 258215), (1201, 167915), (2365, 85271), (3053, 66055), (3905, 51643), (6005, 33583), (13211, 15265)]