657985424

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{399263}}^1$

素因数の和:399374

約数の個数: 20

約数和(自身を含む): 1287227136

約数和(自身を除く): 629241712

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 399263, 798526, 1597052, 3194104, 6388208, 41124089, 82248178, 164496356, 328992712, 657985424]

約数ペア:

[(1, 657985424), (2, 328992712), (4, 164496356), (8, 82248178), (16, 41124089), (103, 6388208), (206, 3194104), (412, 1597052), (824, 798526), (1648, 399263)]