399622858

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{223753}}^1$

素因数の和:223821

約数の個数: 16

約数和(自身を含む): 644411520

約数和(自身を除く): 244788662

約数列:

[1, 2, 19, 38, 47, 94, 893, 1786, 223753, 447506, 4251307, 8502614, 10516391, 21032782, 199811429, 399622858]

約数ペア:

[(1, 399622858), (2, 199811429), (19, 21032782), (38, 10516391), (47, 8502614), (94, 4251307), (893, 447506), (1786, 223753)]