27958975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5351}}^1$

素因数の和:5391

約数の個数: 24

約数和(自身を含む): 39818880

約数和(自身を除く): 11859905

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 5225, 5351, 26755, 58861, 101669, 133775, 294305, 508345, 1118359, 1471525, 2541725, 5591795, 27958975]

約数ペア:

[(1, 27958975), (5, 5591795), (11, 2541725), (19, 1471525), (25, 1118359), (55, 508345), (95, 294305), (209, 133775), (275, 101669), (475, 58861), (1045, 26755), (5225, 5351)]