31331468

素因数分解:

$2^2\times 7^1\times {\mathrm{1009}}^1\times {\mathrm{1109}}^1$

素因数の和:2129

約数の個数: 24

約数和(自身を含む): 62781600

約数和(自身を除く): 31450132

約数列:

[1, 2, 4, 7, 14, 28, 1009, 1109, 2018, 2218, 4036, 4436, 7063, 7763, 14126, 15526, 28252, 31052, 1118981, 2237962, 4475924, 7832867, 15665734, 31331468]

約数ペア:

[(1, 31331468), (2, 15665734), (4, 7832867), (7, 4475924), (14, 2237962), (28, 1118981), (1009, 31052), (1109, 28252), (2018, 15526), (2218, 14126), (4036, 7763), (4436, 7063)]