28779485

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{9239}}^1$

素因数の和:9340

約数の個数: 16

約数和(自身を含む): 39916800

約数和(自身を除く): 11137315

約数列:

[1, 5, 7, 35, 89, 445, 623, 3115, 9239, 46195, 64673, 323365, 822271, 4111355, 5755897, 28779485]

約数ペア:

[(1, 28779485), (5, 5755897), (7, 4111355), (35, 822271), (89, 323365), (445, 64673), (623, 46195), (3115, 9239)]