201008225

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{66449}}^1$

素因数の和:66481

約数の個数: 18

約数和(自身を含む): 273973350

約数和(自身を除く): 72965125

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 66449, 332245, 730939, 1661225, 3654695, 8040329, 18273475, 40201645, 201008225]

約数ペア:

[(1, 201008225), (5, 40201645), (11, 18273475), (25, 8040329), (55, 3654695), (121, 1661225), (275, 730939), (605, 332245), (3025, 66449)]