217842913

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{4253}}^1$

素因数の和:4424

約数の個数: 16

約数和(自身を含む): 242580096

約数和(自身を除く): 24737183

約数列:

[1, 17, 23, 131, 391, 2227, 3013, 4253, 51221, 72301, 97819, 557143, 1662923, 9471431, 12814289, 217842913]

約数ペア:

[(1, 217842913), (17, 12814289), (23, 9471431), (131, 1662923), (391, 557143), (2227, 97819), (3013, 72301), (4253, 51221)]