28105705

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1931}}^1$

素因数の和:2048

約数の個数: 16

約数和(自身を含む): 35054208

約数和(自身を除く): 6948503

約数列:

[1, 5, 41, 71, 205, 355, 1931, 2911, 9655, 14555, 79171, 137101, 395855, 685505, 5621141, 28105705]

約数ペア:

[(1, 28105705), (5, 5621141), (41, 685505), (71, 395855), (205, 137101), (355, 79171), (1931, 14555), (2911, 9655)]