828089860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{244997}}^1$

素因数の和:245032

約数の個数: 36

約数和(自身を含む): 1883054628

約数和(自身を除く): 1054964768

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 244997, 489994, 979988, 1224985, 2449970, 3184961, 4899940, 6369922, 12739844, 15924805, 31849610, 41404493, 63699220, 82808986, 165617972, 207022465, 414044930, 828089860]

約数ペア:

[(1, 828089860), (2, 414044930), (4, 207022465), (5, 165617972), (10, 82808986), (13, 63699220), (20, 41404493), (26, 31849610), (52, 15924805), (65, 12739844), (130, 6369922), (169, 4899940), (260, 3184961), (338, 2449970), (676, 1224985), (845, 979988), (1690, 489994), (3380, 244997)]