28047485

素因数分解:

$5^1\times {\mathrm{41}}^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:205

約数の個数: 24

約数和(自身を含む): 35728128

約数和(自身を除く): 7680643

約数列:

[1, 5, 41, 47, 71, 205, 235, 355, 1681, 1927, 2911, 3337, 8405, 9635, 14555, 16685, 79007, 119351, 136817, 395035, 596755, 684085, 5609497, 28047485]

約数ペア:

[(1, 28047485), (5, 5609497), (41, 684085), (47, 596755), (71, 395035), (205, 136817), (235, 119351), (355, 79007), (1681, 16685), (1927, 14555), (2911, 9635), (3337, 8405)]