1320993985

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{26641}}^1$

素因数の和:26904

約数の個数: 16

約数和(自身を含む): 1626653952

約数和(自身を除く): 305659967

約数列:

[1, 5, 47, 211, 235, 1055, 9917, 26641, 49585, 133205, 1252127, 5621251, 6260635, 28106255, 264198797, 1320993985]

約数ペア:

[(1, 1320993985), (5, 264198797), (47, 28106255), (211, 6260635), (235, 5621251), (1055, 1252127), (9917, 133205), (26641, 49585)]