128904262

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 205286400

約数和(自身を除く): 76382138

約数列:

[1, 2, 31, 59, 62, 118, 131, 262, 269, 538, 1829, 3658, 4061, 7729, 8122, 8339, 15458, 15871, 16678, 31742, 35239, 70478, 239599, 479198, 492001, 984002, 1092409, 2079101, 2184818, 4158202, 64452131, 128904262]

約数ペア:

[(1, 128904262), (2, 64452131), (31, 4158202), (59, 2184818), (62, 2079101), (118, 1092409), (131, 984002), (262, 492001), (269, 479198), (538, 239599), (1829, 70478), (3658, 35239), (4061, 31742), (7729, 16678), (8122, 15871), (8339, 15458)]