1289906

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:269

約数の個数: 16

約数和(自身を含む): 2005080

約数和(自身を除く): 715174

約数列:

[1, 2, 61, 97, 109, 122, 194, 218, 5917, 6649, 10573, 11834, 13298, 21146, 644953, 1289906]

約数ペア:

[(1, 1289906), (2, 644953), (61, 21146), (97, 13298), (109, 11834), (122, 10573), (194, 6649), (218, 5917)]