201913525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{1831}}^1$

素因数の和:2253

約数の個数: 24

約数和(自身を含む): 273964608

約数和(自身を除く): 72051083

約数列:

[1, 5, 11, 25, 55, 275, 401, 1831, 2005, 4411, 9155, 10025, 20141, 22055, 45775, 100705, 110275, 503525, 734231, 3671155, 8076541, 18355775, 40382705, 201913525]

約数ペア:

[(1, 201913525), (5, 40382705), (11, 18355775), (25, 8076541), (55, 3671155), (275, 734231), (401, 503525), (1831, 110275), (2005, 100705), (4411, 45775), (9155, 22055), (10025, 20141)]