20161619212

素因数分解:

$2^2\times 7^1\times {\mathrm{8761}}^1\times {\mathrm{82189}}^1$

素因数の和:90961

約数の個数: 24

約数和(自身を含む): 40328331680

約数和(自身を除く): 20166712468

約数列:

[1, 2, 4, 7, 14, 28, 8761, 17522, 35044, 61327, 82189, 122654, 164378, 245308, 328756, 575323, 1150646, 2301292, 720057829, 1440115658, 2880231316, 5040404803, 10080809606, 20161619212]

約数ペア:

[(1, 20161619212), (2, 10080809606), (4, 5040404803), (7, 2880231316), (14, 1440115658), (28, 720057829), (8761, 2301292), (17522, 1150646), (35044, 575323), (61327, 328756), (82189, 245308), (122654, 164378)]