64159898

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{20981}}^1$

素因数の和:21133

約数の個数: 16

約数和(自身を含む): 105749280

約数和(自身を除く): 41589382

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 20981, 41962, 230791, 461582, 2916359, 5832718, 32079949, 64159898]

約数ペア:

[(1, 64159898), (2, 32079949), (11, 5832718), (22, 2916359), (139, 461582), (278, 230791), (1529, 41962), (3058, 20981)]