31328328

素因数分解:

$2^3\times 3^1\times {\mathrm{653}}^1\times {\mathrm{1999}}^1$

素因数の和:2661

約数の個数: 32

約数和(自身を含む): 78480000

約数和(自身を除く): 47151672

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 653, 1306, 1959, 1999, 2612, 3918, 3998, 5224, 5997, 7836, 7996, 11994, 15672, 15992, 23988, 47976, 1305347, 2610694, 3916041, 5221388, 7832082, 10442776, 15664164, 31328328]

約数ペア:

[(1, 31328328), (2, 15664164), (3, 10442776), (4, 7832082), (6, 5221388), (8, 3916041), (12, 2610694), (24, 1305347), (653, 47976), (1306, 23988), (1959, 15992), (1999, 15672), (2612, 11994), (3918, 7996), (3998, 7836), (5224, 5997)]