427966

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{397}}^1$

素因数の和:424

約数の個数: 24

約数和(自身を含む): 816696

約数和(自身を除く): 388730

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 397, 539, 794, 1078, 2779, 4367, 5558, 8734, 19453, 30569, 38906, 61138, 213983, 427966]

約数ペア:

[(1, 427966), (2, 213983), (7, 61138), (11, 38906), (14, 30569), (22, 19453), (49, 8734), (77, 5558), (98, 4367), (154, 2779), (397, 1078), (539, 794)]