121521490

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{136541}}^1$

素因数の和:136637

約数の個数: 16

約数和(自身を含む): 221198040

約数和(自身を除く): 99676550

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 136541, 273082, 682705, 1365410, 12152149, 24304298, 60760745, 121521490]

約数ペア:

[(1, 121521490), (2, 60760745), (5, 24304298), (10, 12152149), (89, 1365410), (178, 682705), (445, 273082), (890, 136541)]