128251655

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{491}}^1$

素因数の和:959

約数の個数: 32

約数和(自身を含む): 187038720

約数和(自身を除く): 58787065

約数列:

[1, 5, 7, 17, 35, 85, 119, 439, 491, 595, 2195, 2455, 3073, 3437, 7463, 8347, 15365, 17185, 37315, 41735, 52241, 58429, 215549, 261205, 292145, 1077745, 1508843, 3664333, 7544215, 18321665, 25650331, 128251655]

約数ペア:

[(1, 128251655), (5, 25650331), (7, 18321665), (17, 7544215), (35, 3664333), (85, 1508843), (119, 1077745), (439, 292145), (491, 261205), (595, 215549), (2195, 58429), (2455, 52241), (3073, 41735), (3437, 37315), (7463, 17185), (8347, 15365)]