128401415

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 165473280

約数和(自身を除く): 37071865

約数列:

[1, 5, 29, 47, 83, 145, 227, 235, 415, 1135, 1363, 2407, 3901, 6583, 6815, 10669, 12035, 18841, 19505, 32915, 53345, 94205, 113129, 309401, 546389, 565645, 885527, 1547005, 2731945, 4427635, 25680283, 128401415]

約数ペア:

[(1, 128401415), (5, 25680283), (29, 4427635), (47, 2731945), (83, 1547005), (145, 885527), (227, 565645), (235, 546389), (415, 309401), (1135, 113129), (1363, 94205), (2407, 53345), (3901, 32915), (6583, 19505), (6815, 18841), (10669, 12035)]