664284

素因数分解:

$2^2\times 3^1\times {\mathrm{197}}^1\times {\mathrm{281}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 1563408

約数和(自身を除く): 899124

約数列:

[1, 2, 3, 4, 6, 12, 197, 281, 394, 562, 591, 788, 843, 1124, 1182, 1686, 2364, 3372, 55357, 110714, 166071, 221428, 332142, 664284]

約数ペア:

[(1, 664284), (2, 332142), (3, 221428), (4, 166071), (6, 110714), (12, 55357), (197, 3372), (281, 2364), (394, 1686), (562, 1182), (591, 1124), (788, 843)]