217655471

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{21961}}^1$

素因数の和:22042

約数の個数: 16

約数和(自身を含む): 256164768

約数和(自身を除く): 38509297

約数列:

[1, 11, 17, 53, 187, 583, 901, 9911, 21961, 241571, 373337, 1163933, 4106707, 12803263, 19786861, 217655471]

約数ペア:

[(1, 217655471), (11, 19786861), (17, 12803263), (53, 4106707), (187, 1163933), (583, 373337), (901, 241571), (9911, 21961)]