28916525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1481}}^1$

素因数の和:1573

約数の個数: 24

約数和(自身を含む): 39693888

約数和(自身を除く): 10777363

約数列:

[1, 5, 11, 25, 55, 71, 275, 355, 781, 1481, 1775, 3905, 7405, 16291, 19525, 37025, 81455, 105151, 407275, 525755, 1156661, 2628775, 5783305, 28916525]

約数ペア:

[(1, 28916525), (5, 5783305), (11, 2628775), (25, 1156661), (55, 525755), (71, 407275), (275, 105151), (355, 81455), (781, 37025), (1481, 19525), (1775, 16291), (3905, 7405)]