2560778883

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{21886999}}^1$

素因数の和:21887018

約数の個数: 12

約数和(自身を含む): 3983434000

約数和(自身を除く): 1422655117

約数列:

[1, 3, 9, 13, 39, 117, 21886999, 65660997, 196982991, 284530987, 853592961, 2560778883]

約数ペア:

[(1, 2560778883), (3, 853592961), (9, 284530987), (13, 196982991), (39, 65660997), (117, 21886999)]