1288996895

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^2\times {\mathrm{2389}}^1$

素因数の和:2543

約数の個数: 24

約数和(自身を含む): 1624894080

約数和(自身を除く): 335897185

約数列:

[1, 5, 31, 59, 155, 295, 1829, 2389, 3481, 9145, 11945, 17405, 74059, 107911, 140951, 370295, 539555, 704755, 4369481, 8316109, 21847405, 41580545, 257799379, 1288996895]

約数ペア:

[(1, 1288996895), (5, 257799379), (31, 41580545), (59, 21847405), (155, 8316109), (295, 4369481), (1829, 704755), (2389, 539555), (3481, 370295), (9145, 140951), (11945, 107911), (17405, 74059)]