26490021

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 38290560

約数和(自身を除く): 11800539

約数列:

[1, 3, 29, 43, 73, 87, 97, 129, 219, 291, 1247, 2117, 2813, 3139, 3741, 4171, 6351, 7081, 8439, 9417, 12513, 21243, 91031, 120959, 205349, 273093, 304483, 362877, 616047, 913449, 8830007, 26490021]

約数ペア:

[(1, 26490021), (3, 8830007), (29, 913449), (43, 616047), (73, 362877), (87, 304483), (97, 273093), (129, 205349), (219, 120959), (291, 91031), (1247, 21243), (2117, 12513), (2813, 9417), (3139, 8439), (3741, 7081), (4171, 6351)]