217981644

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{255847}}^1$

素因数の和:255925

約数の個数: 24

約数和(自身を含む): 515789568

約数和(自身を除く): 297807924

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 255847, 511694, 767541, 1023388, 1535082, 3070164, 18165137, 36330274, 54495411, 72660548, 108990822, 217981644]

約数ペア:

[(1, 217981644), (2, 108990822), (3, 72660548), (4, 54495411), (6, 36330274), (12, 18165137), (71, 3070164), (142, 1535082), (213, 1023388), (284, 767541), (426, 511694), (852, 255847)]