216942874

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{25601}}^1$

素因数の和:25845

約数の個数: 16

約数和(自身を含む): 344090880

約数和(自身を除く): 127148006

約数列:

[1, 2, 19, 38, 223, 446, 4237, 8474, 25601, 51202, 486419, 972838, 5709023, 11418046, 108471437, 216942874]

約数ペア:

[(1, 216942874), (2, 108471437), (19, 11418046), (38, 5709023), (223, 972838), (446, 486419), (4237, 51202), (8474, 25601)]