641884336

素因数分解:

$2^4\times {\mathrm{503}}^1\times {\mathrm{79757}}^1$

素因数の和:80268

約数の個数: 20

約数和(自身を含む): 1246138992

約数和(自身を除く): 604254656

約数列:

[1, 2, 4, 8, 16, 503, 1006, 2012, 4024, 8048, 79757, 159514, 319028, 638056, 1276112, 40117771, 80235542, 160471084, 320942168, 641884336]

約数ペア:

[(1, 641884336), (2, 320942168), (4, 160471084), (8, 80235542), (16, 40117771), (503, 1276112), (1006, 638056), (2012, 319028), (4024, 159514), (8048, 79757)]