128581254

素因数分解:

$2^1\times 3^2\times {\mathrm{1123}}^1\times {\mathrm{6361}}^1$

素因数の和:7492

約数の個数: 24

約数和(自身を含む): 278884632

約数和(自身を除く): 150303378

約数列:

[1, 2, 3, 6, 9, 18, 1123, 2246, 3369, 6361, 6738, 10107, 12722, 19083, 20214, 38166, 57249, 114498, 7143403, 14286806, 21430209, 42860418, 64290627, 128581254]

約数ペア:

[(1, 128581254), (2, 64290627), (3, 42860418), (6, 21430209), (9, 14286806), (18, 7143403), (1123, 114498), (2246, 57249), (3369, 38166), (6361, 20214), (6738, 19083), (10107, 12722)]