219326404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{25303}}^1$

素因数の和:25515

約数の個数: 24

約数和(自身を含む): 420856128

約数和(自身を除く): 201529724

約数列:

[1, 2, 4, 11, 22, 44, 197, 394, 788, 2167, 4334, 8668, 25303, 50606, 101212, 278333, 556666, 1113332, 4984691, 9969382, 19938764, 54831601, 109663202, 219326404]

約数ペア:

[(1, 219326404), (2, 109663202), (4, 54831601), (11, 19938764), (22, 9969382), (44, 4984691), (197, 1113332), (394, 556666), (788, 278333), (2167, 101212), (4334, 50606), (8668, 25303)]