17996275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2111}}^1$

素因数の和:2163

約数の個数: 24

約数和(自身を含む): 25141248

約数和(自身を除く): 7144973

約数列:

[1, 5, 11, 25, 31, 55, 155, 275, 341, 775, 1705, 2111, 8525, 10555, 23221, 52775, 65441, 116105, 327205, 580525, 719851, 1636025, 3599255, 17996275]

約数ペア:

[(1, 17996275), (5, 3599255), (11, 1636025), (25, 719851), (31, 580525), (55, 327205), (155, 116105), (275, 65441), (341, 52775), (775, 23221), (1705, 10555), (2111, 8525)]