81418788

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{205603}}^1$

素因数の和:205624

約数の個数: 36

約数和(自身を含む): 224519568

約数和(自身を除く): 143100780

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 205603, 411206, 616809, 822412, 1233618, 1850427, 2261633, 2467236, 3700854, 4523266, 6784899, 7401708, 9046532, 13569798, 20354697, 27139596, 40709394, 81418788]

約数ペア:

[(1, 81418788), (2, 40709394), (3, 27139596), (4, 20354697), (6, 13569798), (9, 9046532), (11, 7401708), (12, 6784899), (18, 4523266), (22, 3700854), (33, 2467236), (36, 2261633), (44, 1850427), (66, 1233618), (99, 822412), (132, 616809), (198, 411206), (396, 205603)]