217051810

素因数分解:

$2^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{54673}}^1$

素因数の和:55077

約数の個数: 16

約数和(自身を含む): 391684536

約数和(自身を除く): 174632726

約数列:

[1, 2, 5, 10, 397, 794, 1985, 3970, 54673, 109346, 273365, 546730, 21705181, 43410362, 108525905, 217051810]

約数ペア:

[(1, 217051810), (2, 108525905), (5, 43410362), (10, 21705181), (397, 546730), (794, 273365), (1985, 109346), (3970, 54673)]