68121490

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{76541}}^1$

素因数の和:76637

約数の個数: 16

約数和(自身を含む): 123998040

約数和(自身を除く): 55876550

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 76541, 153082, 382705, 765410, 6812149, 13624298, 34060745, 68121490]

約数ペア:

[(1, 68121490), (2, 34060745), (5, 13624298), (10, 6812149), (89, 765410), (178, 382705), (445, 153082), (890, 76541)]