128565738

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{340121}}^1$

素因数の和:340139

約数の個数: 32

約数和(自身を含む): 326517120

約数和(自身を除く): 197951382

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 340121, 680242, 1020363, 2040726, 2380847, 3061089, 4761694, 6122178, 7142541, 9183267, 14285082, 18366534, 21427623, 42855246, 64282869, 128565738]

約数ペア:

[(1, 128565738), (2, 64282869), (3, 42855246), (6, 21427623), (7, 18366534), (9, 14285082), (14, 9183267), (18, 7142541), (21, 6122178), (27, 4761694), (42, 3061089), (54, 2380847), (63, 2040726), (126, 1020363), (189, 680242), (378, 340121)]