777776330

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1\times {\mathrm{1973}}^1$

素因数の和:2558

約数の個数: 32

約数和(自身を含む): 1421280000

約数和(自身を除く): 643503670

約数列:

[1, 2, 5, 10, 79, 158, 395, 499, 790, 998, 1973, 2495, 3946, 4990, 9865, 19730, 39421, 78842, 155867, 197105, 311734, 394210, 779335, 984527, 1558670, 1969054, 4922635, 9845270, 77777633, 155555266, 388888165, 777776330]

約数ペア:

[(1, 777776330), (2, 388888165), (5, 155555266), (10, 77777633), (79, 9845270), (158, 4922635), (395, 1969054), (499, 1558670), (790, 984527), (998, 779335), (1973, 394210), (2495, 311734), (3946, 197105), (4990, 155867), (9865, 78842), (19730, 39421)]