697291

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:162

約数の個数: 16

約数和(自身を含む): 857088

約数和(自身を除く): 159797

約数列:

[1, 7, 23, 61, 71, 161, 427, 497, 1403, 1633, 4331, 9821, 11431, 30317, 99613, 697291]

約数ペア:

[(1, 697291), (7, 99613), (23, 30317), (61, 11431), (71, 9821), (161, 4331), (427, 1633), (497, 1403)]