128544845

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 192132864

約数和(自身を除く): 63588019

約数列:

[1, 5, 11, 13, 37, 43, 55, 65, 113, 143, 185, 215, 407, 473, 481, 559, 565, 715, 1243, 1469, 1591, 2035, 2365, 2405, 2795, 4181, 4859, 5291, 6149, 6215, 7345, 7955, 16159, 17501, 20683, 20905, 24295, 26455, 30745, 45991, 53449, 54353, 63167, 80795, 87505, 103415, 179783, 227513, 229955, 267245, 271765, 315835, 597883, 694837, 898915, 1137565, 1977613, 2337179, 2989415, 3474185, 9888065, 11685895, 25708969, 128544845]

約数ペア:

[(1, 128544845), (5, 25708969), (11, 11685895), (13, 9888065), (37, 3474185), (43, 2989415), (55, 2337179), (65, 1977613), (113, 1137565), (143, 898915), (185, 694837), (215, 597883), (407, 315835), (473, 271765), (481, 267245), (559, 229955), (565, 227513), (715, 179783), (1243, 103415), (1469, 87505), (1591, 80795), (2035, 63167), (2365, 54353), (2405, 53449), (2795, 45991), (4181, 30745), (4859, 26455), (5291, 24295), (6149, 20905), (6215, 20683), (7345, 17501), (7955, 16159)]