128505839

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{773}}^1$

素因数の和:935

約数の個数: 32

約数和(自身を含む): 171196416

約数和(自身を除く): 42690577

約数列:

[1, 7, 11, 17, 77, 119, 127, 187, 773, 889, 1309, 1397, 2159, 5411, 8503, 9779, 13141, 15113, 23749, 59521, 91987, 98171, 144551, 166243, 687197, 1011857, 1079881, 1668907, 7559167, 11682349, 18357977, 128505839]

約数ペア:

[(1, 128505839), (7, 18357977), (11, 11682349), (17, 7559167), (77, 1668907), (119, 1079881), (127, 1011857), (187, 687197), (773, 166243), (889, 144551), (1309, 98171), (1397, 91987), (2159, 59521), (5411, 23749), (8503, 15113), (9779, 13141)]