217998362

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{21169}}^1$

素因数の和:21461

約数の個数: 16

約数和(自身を含む): 345494400

約数和(自身を除く): 127496038

約数列:

[1, 2, 19, 38, 271, 542, 5149, 10298, 21169, 42338, 402211, 804422, 5736799, 11473598, 108999181, 217998362]

約数ペア:

[(1, 217998362), (2, 108999181), (19, 11473598), (38, 5736799), (271, 804422), (542, 402211), (5149, 42338), (10298, 21169)]