131718544

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{81509}}^1$

素因数の和:81618

約数の個数: 20

約数和(自身を含む): 257734620

約数和(自身を除く): 126016076

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 81509, 163018, 326036, 652072, 1304144, 8232409, 16464818, 32929636, 65859272, 131718544]

約数ペア:

[(1, 131718544), (2, 65859272), (4, 32929636), (8, 16464818), (16, 8232409), (101, 1304144), (202, 652072), (404, 326036), (808, 163018), (1616, 81509)]