397907422

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{929}}^1\times {\mathrm{19469}}^1$

素因数の和:20411

約数の個数: 16

約数和(自身を含む): 651855600

約数和(自身を除く): 253948178

約数列:

[1, 2, 11, 22, 929, 1858, 10219, 19469, 20438, 38938, 214159, 428318, 18086701, 36173402, 198953711, 397907422]

約数ペア:

[(1, 397907422), (2, 198953711), (11, 36173402), (22, 18086701), (929, 428318), (1858, 214159), (10219, 38938), (19469, 20438)]