31438064

素因数分解:

$2^4\times 7^1\times {\mathrm{280697}}^1$

素因数の和:280712

約数の個数: 20

約数和(自身を含む): 69613104

約数和(自身を除く): 38175040

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 280697, 561394, 1122788, 1964879, 2245576, 3929758, 4491152, 7859516, 15719032, 31438064]

約数ペア:

[(1, 31438064), (2, 15719032), (4, 7859516), (7, 4491152), (8, 3929758), (14, 2245576), (16, 1964879), (28, 1122788), (56, 561394), (112, 280697)]