258505678

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{111521}}^1$

素因数の和:111603

約数の個数: 16

約数和(自身を含む): 414861840

約数和(自身を除く): 156356162

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 111521, 223042, 2118899, 4237798, 6802781, 13605562, 129252839, 258505678]

約数ペア:

[(1, 258505678), (2, 129252839), (19, 13605562), (38, 6802781), (61, 4237798), (122, 2118899), (1159, 223042), (2318, 111521)]