15998785

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 22581504

約数和(自身を除く): 6582719

約数列:

[1, 5, 11, 17, 55, 71, 85, 187, 241, 355, 781, 935, 1205, 1207, 2651, 3905, 4097, 6035, 13255, 13277, 17111, 20485, 45067, 66385, 85555, 188221, 225335, 290887, 941105, 1454435, 3199757, 15998785]

約数ペア:

[(1, 15998785), (5, 3199757), (11, 1454435), (17, 941105), (55, 290887), (71, 225335), (85, 188221), (187, 85555), (241, 66385), (355, 45067), (781, 20485), (935, 17111), (1205, 13277), (1207, 13255), (2651, 6035), (3905, 4097)]