13721008

素因数分解:

$2^4\times 7^1\times {\mathrm{122509}}^1$

素因数の和:122524

約数の個数: 20

約数和(自身を含む): 30382480

約数和(自身を除く): 16661472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 122509, 245018, 490036, 857563, 980072, 1715126, 1960144, 3430252, 6860504, 13721008]

約数ペア:

[(1, 13721008), (2, 6860504), (4, 3430252), (7, 1960144), (8, 1715126), (14, 980072), (16, 857563), (28, 490036), (56, 245018), (112, 122509)]