639779834

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{88883}}^1$

素因数の和:89005

約数の個数: 16

約数和(自身を含む): 991945440

約数和(自身を除く): 352165606

約数列:

[1, 2, 59, 61, 118, 122, 3599, 7198, 88883, 177766, 5244097, 5421863, 10488194, 10843726, 319889917, 639779834]

約数ペア:

[(1, 639779834), (2, 319889917), (59, 10843726), (61, 10488194), (118, 5421863), (122, 5244097), (3599, 177766), (7198, 88883)]