28506898

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{373}}^1$

素因数の和:538

約数の個数: 32

約数和(自身を含む): 50409216

約数和(自身を除く): 21902318

約数列:

[1, 2, 7, 14, 53, 103, 106, 206, 371, 373, 721, 742, 746, 1442, 2611, 5222, 5459, 10918, 19769, 38213, 38419, 39538, 76426, 76838, 138383, 268933, 276766, 537866, 2036207, 4072414, 14253449, 28506898]

約数ペア:

[(1, 28506898), (2, 14253449), (7, 4072414), (14, 2036207), (53, 537866), (103, 276766), (106, 268933), (206, 138383), (371, 76838), (373, 76426), (721, 39538), (742, 38419), (746, 38213), (1442, 19769), (2611, 10918), (5222, 5459)]