57278207

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{19163}}^1$

素因数の和:19238

約数の個数: 12

約数和(自身を含む): 67725576

約数和(自身を除く): 10447369

約数列:

[1, 7, 49, 61, 427, 2989, 19163, 134141, 938987, 1168943, 8182601, 57278207]

約数ペア:

[(1, 57278207), (7, 8182601), (49, 1168943), (61, 938987), (427, 134141), (2989, 19163)]