28986878

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1\times {\mathrm{631}}^1$

素因数の和:959

約数の個数: 16

約数和(自身を含む): 44169216

約数和(自身を除く): 15182338

約数列:

[1, 2, 103, 206, 223, 446, 631, 1262, 22969, 45938, 64993, 129986, 140713, 281426, 14493439, 28986878]

約数ペア:

[(1, 28986878), (2, 14493439), (103, 281426), (206, 140713), (223, 129986), (446, 64993), (631, 45938), (1262, 22969)]