219964550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{338407}}^1$

素因数の和:338432

約数の個数: 24

約数和(自身を含む): 440607216

約数和(自身を除く): 220642666

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 338407, 676814, 1692035, 3384070, 4399291, 8460175, 8798582, 16920350, 21996455, 43992910, 109982275, 219964550]

約数ペア:

[(1, 219964550), (2, 109982275), (5, 43992910), (10, 21996455), (13, 16920350), (25, 8798582), (26, 8460175), (50, 4399291), (65, 3384070), (130, 1692035), (325, 676814), (650, 338407)]