28785715

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{9241}}^1$

素因数の和:9342

約数の個数: 16

約数和(自身を含む): 39925440

約数和(自身を除く): 11139725

約数列:

[1, 5, 7, 35, 89, 445, 623, 3115, 9241, 46205, 64687, 323435, 822449, 4112245, 5757143, 28785715]

約数ペア:

[(1, 28785715), (5, 5757143), (7, 4112245), (35, 822449), (89, 323435), (445, 64687), (623, 46205), (3115, 9241)]