28475615

素因数分解:

$5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1637}}^1$

素因数の和:1727

約数の個数: 24

約数和(自身を含む): 40334112

約数和(自身を除く): 11858497

約数列:

[1, 5, 7, 35, 49, 71, 245, 355, 497, 1637, 2485, 3479, 8185, 11459, 17395, 57295, 80213, 116227, 401065, 581135, 813589, 4067945, 5695123, 28475615]

約数ペア:

[(1, 28475615), (5, 5695123), (7, 4067945), (35, 813589), (49, 581135), (71, 401065), (245, 116227), (355, 80213), (497, 57295), (1637, 17395), (2485, 11459), (3479, 8185)]