28539775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1759}}^1$

素因数の和:1839

約数の個数: 24

約数和(自身を含む): 39283200

約数和(自身を除く): 10743425

約数列:

[1, 5, 11, 25, 55, 59, 275, 295, 649, 1475, 1759, 3245, 8795, 16225, 19349, 43975, 96745, 103781, 483725, 518905, 1141591, 2594525, 5707955, 28539775]

約数ペア:

[(1, 28539775), (5, 5707955), (11, 2594525), (25, 1141591), (55, 518905), (59, 483725), (275, 103781), (295, 96745), (649, 43975), (1475, 19349), (1759, 16225), (3245, 8795)]