12821471878

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1\times {\mathrm{333493}}^1$

素因数の和:333951

約数の個数: 16

約数和(自身を含む): 19689485760

約数和(自身を除く): 6868013882

約数列:

[1, 2, 47, 94, 409, 818, 19223, 38446, 333493, 666986, 15674171, 31348342, 136398637, 272797274, 6410735939, 12821471878]

約数ペア:

[(1, 12821471878), (2, 6410735939), (47, 272797274), (94, 136398637), (409, 31348342), (818, 15674171), (19223, 666986), (38446, 333493)]