221330266

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{28109}}^1$

素因数の和:28269

約数の個数: 16

約数和(自身を含む): 345415680

約数和(自身を除く): 124085414

約数列:

[1, 2, 31, 62, 127, 254, 3937, 7874, 28109, 56218, 871379, 1742758, 3569843, 7139686, 110665133, 221330266]

約数ペア:

[(1, 221330266), (2, 110665133), (31, 7139686), (62, 3569843), (127, 1742758), (254, 871379), (3937, 56218), (7874, 28109)]