128905936

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{293}}^1\times {\mathrm{887}}^1$

素因数の和:1219

約数の個数: 40

約数和(自身を含む): 258983424

約数和(自身を除く): 130077488

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 293, 496, 586, 887, 1172, 1774, 2344, 3548, 4688, 7096, 9083, 14192, 18166, 27497, 36332, 54994, 72664, 109988, 145328, 219976, 259891, 439952, 519782, 1039564, 2079128, 4158256, 8056621, 16113242, 32226484, 64452968, 128905936]

約数ペア:

[(1, 128905936), (2, 64452968), (4, 32226484), (8, 16113242), (16, 8056621), (31, 4158256), (62, 2079128), (124, 1039564), (248, 519782), (293, 439952), (496, 259891), (586, 219976), (887, 145328), (1172, 109988), (1774, 72664), (2344, 54994), (3548, 36332), (4688, 27497), (7096, 18166), (9083, 14192)]