168538356

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{668803}}^1$

素因数の和:668820

約数の個数: 36

約数和(自身を含む): 486889312

約数和(自身を除く): 318350956

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 668803, 1337606, 2006409, 2675212, 4012818, 4681621, 6019227, 8025636, 9363242, 12038454, 14044863, 18726484, 24076908, 28089726, 42134589, 56179452, 84269178, 168538356]

約数ペア:

[(1, 168538356), (2, 84269178), (3, 56179452), (4, 42134589), (6, 28089726), (7, 24076908), (9, 18726484), (12, 14044863), (14, 12038454), (18, 9363242), (21, 8025636), (28, 6019227), (36, 4681621), (42, 4012818), (63, 2675212), (84, 2006409), (126, 1337606), (252, 668803)]