1639207618

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{1907}}^1\times {\mathrm{3943}}^1$

素因数の和:5961

約数の個数: 16

約数和(自身を含む): 2483300160

約数和(自身を除く): 844092542

約数列:

[1, 2, 109, 218, 1907, 3814, 3943, 7886, 207863, 415726, 429787, 859574, 7519301, 15038602, 819603809, 1639207618]

約数ペア:

[(1, 1639207618), (2, 819603809), (109, 15038602), (218, 7519301), (1907, 859574), (3814, 429787), (3943, 415726), (7886, 207863)]