1242273790

素因数分解:

$2^1\times 5^1\times {\mathrm{1997}}^1\times {\mathrm{62207}}^1$

素因数の和:64211

約数の個数: 16

約数和(自身を含む): 2237248512

約数和(自身を除く): 994974722

約数列:

[1, 2, 5, 10, 1997, 3994, 9985, 19970, 62207, 124414, 311035, 622070, 124227379, 248454758, 621136895, 1242273790]

約数ペア:

[(1, 1242273790), (2, 621136895), (5, 248454758), (10, 124227379), (1997, 622070), (3994, 311035), (9985, 124414), (19970, 62207)]