174913291

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 208788720

約数和(自身を除く): 33875429

約数列:

[1, 7, 49, 61, 139, 421, 427, 973, 2947, 2989, 6811, 8479, 20629, 25681, 58519, 59353, 179767, 409633, 415471, 1258369, 2867431, 3569659, 24987613, 174913291]

約数ペア:

[(1, 174913291), (7, 24987613), (49, 3569659), (61, 2867431), (139, 1258369), (421, 415471), (427, 409633), (973, 179767), (2947, 59353), (2989, 58519), (6811, 25681), (8479, 20629)]