71778488

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{3797}}^1$

素因数の和:3959

約数の個数: 32

約数和(自身を含む): 143564400

約数和(自身を除く): 71785912

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 139, 278, 556, 1112, 2363, 3797, 4726, 7594, 9452, 15188, 18904, 30376, 64549, 129098, 258196, 516392, 527783, 1055566, 2111132, 4222264, 8972311, 17944622, 35889244, 71778488]

約数ペア:

[(1, 71778488), (2, 35889244), (4, 17944622), (8, 8972311), (17, 4222264), (34, 2111132), (68, 1055566), (136, 527783), (139, 516392), (278, 258196), (556, 129098), (1112, 64549), (2363, 30376), (3797, 18904), (4726, 15188), (7594, 9452)]