31421212

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{3793}}^1$

素因数の和:3925

約数の個数: 24

約数和(自身を含む): 58427600

約数和(自身を除く): 27006388

約数列:

[1, 2, 4, 19, 38, 76, 109, 218, 436, 2071, 3793, 4142, 7586, 8284, 15172, 72067, 144134, 288268, 413437, 826874, 1653748, 7855303, 15710606, 31421212]

約数ペア:

[(1, 31421212), (2, 15710606), (4, 7855303), (19, 1653748), (38, 826874), (76, 413437), (109, 288268), (218, 144134), (436, 72067), (2071, 15172), (3793, 8284), (4142, 7586)]