28051955

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{823}}^1$

素因数の和:1246

約数の個数: 16

約数和(自身を含む): 35774784

約数和(自身を除く): 7722829

約数列:

[1, 5, 17, 85, 401, 823, 2005, 4115, 6817, 13991, 34085, 69955, 330023, 1650115, 5610391, 28051955]

約数ペア:

[(1, 28051955), (5, 5610391), (17, 1650115), (85, 330023), (401, 69955), (823, 34085), (2005, 13991), (4115, 6817)]