329968

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{503}}^1$

素因数の和:552

約数の個数: 20

約数和(自身を含む): 656208

約数和(自身を除く): 326240

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 503, 656, 1006, 2012, 4024, 8048, 20623, 41246, 82492, 164984, 329968]

約数ペア:

[(1, 329968), (2, 164984), (4, 82492), (8, 41246), (16, 20623), (41, 8048), (82, 4024), (164, 2012), (328, 1006), (503, 656)]