210242084

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{311009}}^1$

素因数の和:311039

約数の個数: 18

約数和(自身を含む): 398403810

約数和(自身を除く): 188161726

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 311009, 622018, 1244036, 4043117, 8086234, 16172468, 52560521, 105121042, 210242084]

約数ペア:

[(1, 210242084), (2, 105121042), (4, 52560521), (13, 16172468), (26, 8086234), (52, 4043117), (169, 1244036), (338, 622018), (676, 311009)]