558224

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:398

約数の個数: 20

約数和(自身を含む): 1093680

約数和(自身を除く): 535456

約数列:

[1, 2, 4, 8, 16, 139, 251, 278, 502, 556, 1004, 1112, 2008, 2224, 4016, 34889, 69778, 139556, 279112, 558224]

約数ペア:

[(1, 558224), (2, 279112), (4, 139556), (8, 69778), (16, 34889), (139, 4016), (251, 2224), (278, 2008), (502, 1112), (556, 1004)]