217866638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{230303}}^1$

素因数の和:230359

約数の個数: 16

約数和(自身を含む): 364801536

約数和(自身を除く): 146934898

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 230303, 460606, 2533333, 5066666, 9903029, 19806058, 108933319, 217866638]

約数ペア:

[(1, 217866638), (2, 108933319), (11, 19806058), (22, 9903029), (43, 5066666), (86, 2533333), (473, 460606), (946, 230303)]