28711445

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{22171}}^1$

素因数の和:22220

約数の個数: 16

約数和(自身を含む): 40441728

約数和(自身を除く): 11730283

約数列:

[1, 5, 7, 35, 37, 185, 259, 1295, 22171, 110855, 155197, 775985, 820327, 4101635, 5742289, 28711445]

約数ペア:

[(1, 28711445), (5, 5742289), (7, 4101635), (35, 820327), (37, 775985), (185, 155197), (259, 110855), (1295, 22171)]