1997339905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{1933}}^1\times {\mathrm{18787}}^1$

素因数の和:20736

約数の個数: 16

約数和(自身を含む): 2616191424

約数和(自身を除く): 618851519

約数列:

[1, 5, 11, 55, 1933, 9665, 18787, 21263, 93935, 106315, 206657, 1033285, 36315271, 181576355, 399467981, 1997339905]

約数ペア:

[(1, 1997339905), (5, 399467981), (11, 181576355), (55, 36315271), (1933, 1033285), (9665, 206657), (18787, 106315), (21263, 93935)]