639087746

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1\times {\mathrm{863}}^1$

素因数の和:1738

約数の個数: 32

約数和(自身を含む): 1073834496

約数和(自身を除く): 434746750

約数列:

[1, 2, 11, 22, 41, 82, 451, 821, 863, 902, 1642, 1726, 9031, 9493, 18062, 18986, 33661, 35383, 67322, 70766, 370271, 389213, 708523, 740542, 778426, 1417046, 7793753, 15587506, 29049443, 58098886, 319543873, 639087746]

約数ペア:

[(1, 639087746), (2, 319543873), (11, 58098886), (22, 29049443), (41, 15587506), (82, 7793753), (451, 1417046), (821, 778426), (863, 740542), (902, 708523), (1642, 389213), (1726, 370271), (9031, 70766), (9493, 67322), (18062, 35383), (18986, 33661)]