405422

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:295

約数の個数: 16

約数和(自身を含む): 656640

約数和(自身を除く): 251218

約数列:

[1, 2, 19, 38, 47, 94, 227, 454, 893, 1786, 4313, 8626, 10669, 21338, 202711, 405422]

約数ペア:

[(1, 405422), (2, 202711), (19, 21338), (38, 10669), (47, 8626), (94, 4313), (227, 1786), (454, 893)]