80320338

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{637463}}^1$

素因数の和:637478

約数の個数: 24

約数和(自身を含む): 198888768

約数和(自身を除く): 118568430

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 637463, 1274926, 1912389, 3824778, 4462241, 5737167, 8924482, 11474334, 13386723, 26773446, 40160169, 80320338]

約数ペア:

[(1, 80320338), (2, 40160169), (3, 26773446), (6, 13386723), (7, 11474334), (9, 8924482), (14, 5737167), (18, 4462241), (21, 3824778), (42, 1912389), (63, 1274926), (126, 637463)]