28762405

素因数分解:

$5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{9901}}^1$

素因数の和:9996

約数の個数: 16

約数和(自身を含む): 39924864

約数和(自身を除く): 11162459

約数列:

[1, 5, 7, 35, 83, 415, 581, 2905, 9901, 49505, 69307, 346535, 821783, 4108915, 5752481, 28762405]

約数ペア:

[(1, 28762405), (5, 5752481), (7, 4108915), (35, 821783), (83, 346535), (415, 69307), (581, 49505), (2905, 9901)]