220121539

素因数分解:

${\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{541}}^1\times {\mathrm{787}}^1$

素因数の和:1386

約数の個数: 16

約数和(自身を含む): 246007296

約数和(自身を除く): 25885757

約数列:

[1, 11, 47, 517, 541, 787, 5951, 8657, 25427, 36989, 279697, 406879, 425767, 4683437, 20011049, 220121539]

約数ペア:

[(1, 220121539), (11, 20011049), (47, 4683437), (517, 425767), (541, 406879), (787, 279697), (5951, 36989), (8657, 25427)]