28378152068

素因数分解:

$2^2\times 7^1\times {\mathrm{21341}}^1\times {\mathrm{47491}}^1$

素因数の和:68843

約数の個数: 24

約数和(自身を含む): 56760158784

約数和(自身を除く): 28382006716

約数列:

[1, 2, 4, 7, 14, 28, 21341, 42682, 47491, 85364, 94982, 149387, 189964, 298774, 332437, 597548, 664874, 1329748, 1013505431, 2027010862, 4054021724, 7094538017, 14189076034, 28378152068]

約数ペア:

[(1, 28378152068), (2, 14189076034), (4, 7094538017), (7, 4054021724), (14, 2027010862), (28, 1013505431), (21341, 1329748), (42682, 664874), (47491, 597548), (85364, 332437), (94982, 298774), (149387, 189964)]