28897276

素因数分解:

$2^2\times {\mathrm{107}}^2\times {\mathrm{631}}^1$

素因数の和:849

約数の個数: 18

約数和(自身を含む): 51128168

約数和(自身を除く): 22230892

約数列:

[1, 2, 4, 107, 214, 428, 631, 1262, 2524, 11449, 22898, 45796, 67517, 135034, 270068, 7224319, 14448638, 28897276]

約数ペア:

[(1, 28897276), (2, 14448638), (4, 7224319), (107, 270068), (214, 135034), (428, 67517), (631, 45796), (1262, 22898), (2524, 11449)]