1211644

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{397}}^1$

素因数の和:517

約数の個数: 24

約数和(自身を含む): 2451680

約数和(自身を除く): 1240036

約数列:

[1, 2, 4, 7, 14, 28, 109, 218, 397, 436, 763, 794, 1526, 1588, 2779, 3052, 5558, 11116, 43273, 86546, 173092, 302911, 605822, 1211644]

約数ペア:

[(1, 1211644), (2, 605822), (4, 302911), (7, 173092), (14, 86546), (28, 43273), (109, 11116), (218, 5558), (397, 3052), (436, 2779), (763, 1588), (794, 1526)]