319286

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1$

素因数の和:667

約数の個数: 16

約数和(自身を含む): 546048

約数和(自身を除く): 226762

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 631, 1262, 6941, 13882, 14513, 29026, 159643, 319286]

約数ペア:

[(1, 319286), (2, 159643), (11, 29026), (22, 14513), (23, 13882), (46, 6941), (253, 1262), (506, 631)]