16143985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{337}}^1$

素因数の和:433

約数の個数: 32

約数和(自身を含む): 23167872

約数和(自身を除く): 7023887

約数列:

[1, 5, 11, 13, 55, 65, 67, 143, 335, 337, 715, 737, 871, 1685, 3685, 3707, 4355, 4381, 9581, 18535, 21905, 22579, 47905, 48191, 112895, 240955, 248369, 293527, 1241845, 1467635, 3228797, 16143985]

約数ペア:

[(1, 16143985), (5, 3228797), (11, 1467635), (13, 1241845), (55, 293527), (65, 248369), (67, 240955), (143, 112895), (335, 48191), (337, 47905), (715, 22579), (737, 21905), (871, 18535), (1685, 9581), (3685, 4381), (3707, 4355)]