217706351

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{5273}}^1$

素因数の和:5386

約数の個数: 16

約数和(自身を含む): 239228640

約数和(自身を除く): 21522289

約数列:

[1, 19, 41, 53, 779, 1007, 2173, 5273, 41287, 100187, 216193, 279469, 4107667, 5309911, 11458229, 217706351]

約数ペア:

[(1, 217706351), (19, 11458229), (41, 5309911), (53, 4107667), (779, 279469), (1007, 216193), (2173, 100187), (5273, 41287)]