128872156

素因数分解:

$2^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{9007}}^1$

素因数の和:9098

約数の個数: 36

約数和(自身を含む): 265970208

約数和(自身を除く): 137098052

約数列:

[1, 2, 4, 7, 14, 28, 49, 73, 98, 146, 196, 292, 511, 1022, 2044, 3577, 7154, 9007, 14308, 18014, 36028, 63049, 126098, 252196, 441343, 657511, 882686, 1315022, 1765372, 2630044, 4602577, 9205154, 18410308, 32218039, 64436078, 128872156]

約数ペア:

[(1, 128872156), (2, 64436078), (4, 32218039), (7, 18410308), (14, 9205154), (28, 4602577), (49, 2630044), (73, 1765372), (98, 1315022), (146, 882686), (196, 657511), (292, 441343), (511, 252196), (1022, 126098), (2044, 63049), (3577, 36028), (7154, 18014), (9007, 14308)]