28247705

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{1693}}^1$

素因数の和:1816

約数の個数: 16

約数和(自身を含む): 35126784

約数和(自身を除く): 6879079

約数列:

[1, 5, 47, 71, 235, 355, 1693, 3337, 8465, 16685, 79571, 120203, 397855, 601015, 5649541, 28247705]

約数ペア:

[(1, 28247705), (5, 5649541), (47, 601015), (71, 397855), (235, 120203), (355, 79571), (1693, 16685), (3337, 8465)]