400404214

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1505279}}^1$

素因数の和:1505307

約数の個数: 16

約数和(自身を含む): 722534400

約数和(自身を除く): 322130186

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 1505279, 3010558, 10536953, 21073906, 28600301, 57200602, 200202107, 400404214]

約数ペア:

[(1, 400404214), (2, 200202107), (7, 57200602), (14, 28600301), (19, 21073906), (38, 10536953), (133, 3010558), (266, 1505279)]