221519233

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{38993}}^1$

素因数の和:39048

約数の個数: 16

約数和(自身を含む): 262039680

約数和(自身を除く): 40520447

約数列:

[1, 13, 19, 23, 247, 299, 437, 5681, 38993, 506909, 740867, 896839, 9631271, 11658907, 17039941, 221519233]

約数ペア:

[(1, 221519233), (13, 17039941), (19, 11658907), (23, 9631271), (247, 896839), (299, 740867), (437, 506909), (5681, 38993)]