221771572

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{265277}}^1$

素因数の和:265311

約数の個数: 24

約数和(自身を含む): 445667040

約数和(自身を除く): 223895468

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 265277, 530554, 1061108, 2918047, 5040263, 5836094, 10080526, 11672188, 20161052, 55442893, 110885786, 221771572]

約数ペア:

[(1, 221771572), (2, 110885786), (4, 55442893), (11, 20161052), (19, 11672188), (22, 10080526), (38, 5836094), (44, 5040263), (76, 2918047), (209, 1061108), (418, 530554), (836, 265277)]