220152821

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^2$

素因数の和:329

約数の個数: 24

約数和(自身を含む): 264054336

約数和(自身を除く): 43901515

約数列:

[1, 7, 41, 67, 107, 287, 469, 749, 2747, 4387, 7169, 11449, 19229, 30709, 50183, 80143, 293929, 469409, 767083, 2057503, 3285863, 5369581, 31450403, 220152821]

約数ペア:

[(1, 220152821), (7, 31450403), (41, 5369581), (67, 3285863), (107, 2057503), (287, 767083), (469, 469409), (749, 293929), (2747, 80143), (4387, 50183), (7169, 30709), (11449, 19229)]