397882012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{127363}}^1$

素因数の和:127449

約数の個数: 24

約数和(自身を含む): 770297472

約数和(自身を除く): 372415460

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 127363, 254726, 509452, 1400993, 2801986, 5603972, 9042773, 18085546, 36171092, 99470503, 198941006, 397882012]

約数ペア:

[(1, 397882012), (2, 198941006), (4, 99470503), (11, 36171092), (22, 18085546), (44, 9042773), (71, 5603972), (142, 2801986), (284, 1400993), (781, 509452), (1562, 254726), (3124, 127363)]