2278549

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1$

素因数の和:114

約数の個数: 20

約数和(自身を含む): 2901836

約数和(自身を除く): 623287

約数列:

[1, 7, 13, 49, 73, 91, 343, 511, 637, 949, 2401, 3577, 4459, 6643, 25039, 31213, 46501, 175273, 325507, 2278549]

約数ペア:

[(1, 2278549), (7, 325507), (13, 175273), (49, 46501), (73, 31213), (91, 25039), (343, 6643), (511, 4459), (637, 3577), (949, 2401)]