128558864

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{60413}}^1$

素因数の和:60447

約数の個数: 40

約数和(自身を含む): 299653440

約数和(自身を除く): 171094576

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 60413, 120826, 241652, 422891, 483304, 845782, 966608, 1147847, 1691564, 2295694, 3383128, 4591388, 6766256, 8034929, 9182776, 16069858, 18365552, 32139716, 64279432, 128558864]

約数ペア:

[(1, 128558864), (2, 64279432), (4, 32139716), (7, 18365552), (8, 16069858), (14, 9182776), (16, 8034929), (19, 6766256), (28, 4591388), (38, 3383128), (56, 2295694), (76, 1691564), (112, 1147847), (133, 966608), (152, 845782), (266, 483304), (304, 422891), (532, 241652), (1064, 120826), (2128, 60413)]