39998036

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{20789}}^1$

素因数の和:20843

約数の個数: 24

約数和(自身を含む): 77421960

約数和(自身を除く): 37423924

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924, 20789, 41578, 83156, 270257, 540514, 769193, 1081028, 1538386, 3076772, 9999509, 19999018, 39998036]

約数ペア:

[(1, 39998036), (2, 19999018), (4, 9999509), (13, 3076772), (26, 1538386), (37, 1081028), (52, 769193), (74, 540514), (148, 270257), (481, 83156), (962, 41578), (1924, 20789)]