81267256

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{76379}}^1$

素因数の和:76411

約数の個数: 32

約数和(自身を含む): 183312000

約数和(自身を除く): 102044744

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 76379, 152758, 305516, 534653, 611032, 1069306, 1451201, 2138612, 2902402, 4277224, 5804804, 10158407, 11609608, 20316814, 40633628, 81267256]

約数ペア:

[(1, 81267256), (2, 40633628), (4, 20316814), (7, 11609608), (8, 10158407), (14, 5804804), (19, 4277224), (28, 2902402), (38, 2138612), (56, 1451201), (76, 1069306), (133, 611032), (152, 534653), (266, 305516), (532, 152758), (1064, 76379)]