6640985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1439}}^1$

素因数の和:1528

約数の個数: 16

約数和(自身を含む): 8709120

約数和(自身を除く): 2068135

約数列:

[1, 5, 13, 65, 71, 355, 923, 1439, 4615, 7195, 18707, 93535, 102169, 510845, 1328197, 6640985]

約数ペア:

[(1, 6640985), (5, 1328197), (13, 510845), (65, 102169), (71, 93535), (355, 18707), (923, 7195), (1439, 4615)]