128865295

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{2063}}^1$

素因数の和:2143

約数の個数: 24

約数和(自身を含む): 172162368

約数和(自身を除く): 43297073

約数列:

[1, 5, 13, 31, 65, 155, 403, 961, 2015, 2063, 4805, 10315, 12493, 26819, 62465, 63953, 134095, 319765, 831389, 1982543, 4156945, 9912715, 25773059, 128865295]

約数ペア:

[(1, 128865295), (5, 25773059), (13, 9912715), (31, 4156945), (65, 1982543), (155, 831389), (403, 319765), (961, 134095), (2015, 63953), (2063, 62465), (4805, 26819), (10315, 12493)]