2009005685

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{1811}}^1$

素因数の和:2285

約数の個数: 32

約数和(自身を含む): 2642678784

約数和(自身を除く): 633673099

約数列:

[1, 5, 17, 31, 85, 155, 421, 527, 1811, 2105, 2635, 7157, 9055, 13051, 30787, 35785, 56141, 65255, 153935, 221867, 280705, 762431, 954397, 1109335, 3812155, 4771985, 12961327, 23635361, 64806635, 118176805, 401801137, 2009005685]

約数ペア:

[(1, 2009005685), (5, 401801137), (17, 118176805), (31, 64806635), (85, 23635361), (155, 12961327), (421, 4771985), (527, 3812155), (1811, 1109335), (2105, 954397), (2635, 762431), (7157, 280705), (9055, 221867), (13051, 153935), (30787, 65255), (35785, 56141)]