28139395

素因数分解:

$5^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1\times {\mathrm{353}}^1$

素因数の和:614

約数の個数: 16

約数和(自身を含む): 34408800

約数和(自身を除く): 6269405

約数列:

[1, 5, 107, 149, 353, 535, 745, 1765, 15943, 37771, 52597, 79715, 188855, 262985, 5627879, 28139395]

約数ペア:

[(1, 28139395), (5, 5627879), (107, 262985), (149, 188855), (353, 79715), (535, 52597), (745, 37771), (1765, 15943)]