128974978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{14767}}^1$

素因数の和:15177

約数の個数: 16

約数和(自身を含む): 211595904

約数和(自身を除く): 82620926

約数列:

[1, 2, 11, 22, 397, 794, 4367, 8734, 14767, 29534, 162437, 324874, 5862499, 11724998, 64487489, 128974978]

約数ペア:

[(1, 128974978), (2, 64487489), (11, 11724998), (22, 5862499), (397, 324874), (794, 162437), (4367, 29534), (8734, 14767)]