521390454

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{6684493}}^1$

素因数の和:6684511

約数の個数: 16

約数和(自身を含む): 1122994992

約数和(自身を除く): 601604538

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 6684493, 13368986, 20053479, 40106958, 86898409, 173796818, 260695227, 521390454]

約数ペア:

[(1, 521390454), (2, 260695227), (3, 173796818), (6, 86898409), (13, 40106958), (26, 20053479), (39, 13368986), (78, 6684493)]