398096

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:326

約数の個数: 20

約数和(自身を含む): 781200

約数和(自身を除く): 383104

約数列:

[1, 2, 4, 8, 16, 139, 179, 278, 358, 556, 716, 1112, 1432, 2224, 2864, 24881, 49762, 99524, 199048, 398096]

約数ペア:

[(1, 398096), (2, 199048), (4, 99524), (8, 49762), (16, 24881), (139, 2864), (179, 2224), (278, 1432), (358, 1112), (556, 716)]