71128784

素因数分解:

$2^4\times {\mathrm{449}}^1\times {\mathrm{9901}}^1$

素因数の和:10358

約数の個数: 20

約数和(自身を含む): 138132900

約数和(自身を除く): 67004116

約数列:

[1, 2, 4, 8, 16, 449, 898, 1796, 3592, 7184, 9901, 19802, 39604, 79208, 158416, 4445549, 8891098, 17782196, 35564392, 71128784]

約数ペア:

[(1, 71128784), (2, 35564392), (4, 17782196), (8, 8891098), (16, 4445549), (449, 158416), (898, 79208), (1796, 39604), (3592, 19802), (7184, 9901)]