207870575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{2671}}^1$

素因数の和:2975

約数の個数: 24

約数和(自身を含む): 282291456

約数和(自身を除く): 74420881

約数列:

[1, 5, 11, 25, 55, 275, 283, 1415, 2671, 3113, 7075, 13355, 15565, 29381, 66775, 77825, 146905, 734525, 755893, 3779465, 8314823, 18897325, 41574115, 207870575]

約数ペア:

[(1, 207870575), (5, 41574115), (11, 18897325), (25, 8314823), (55, 3779465), (275, 755893), (283, 734525), (1415, 146905), (2671, 77825), (3113, 66775), (7075, 29381), (13355, 15565)]