209515068

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{831409}}^1$

素因数の和:831426

約数の個数: 36

約数和(自身を含む): 605266480

約数和(自身を除く): 395751412

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 831409, 1662818, 2494227, 3325636, 4988454, 5819863, 7482681, 9976908, 11639726, 14965362, 17459589, 23279452, 29930724, 34919178, 52378767, 69838356, 104757534, 209515068]

約数ペア:

[(1, 209515068), (2, 104757534), (3, 69838356), (4, 52378767), (6, 34919178), (7, 29930724), (9, 23279452), (12, 17459589), (14, 14965362), (18, 11639726), (21, 9976908), (28, 7482681), (36, 5819863), (42, 4988454), (63, 3325636), (84, 2494227), (126, 1662818), (252, 831409)]