81042208

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{194813}}^1$

素因数の和:194836

約数の個数: 24

約数和(自身を含む): 171825948

約数和(自身を除く): 90783740

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 194813, 389626, 779252, 1558504, 2532569, 3117008, 5065138, 6234016, 10130276, 20260552, 40521104, 81042208]

約数ペア:

[(1, 81042208), (2, 40521104), (4, 20260552), (8, 10130276), (13, 6234016), (16, 5065138), (26, 3117008), (32, 2532569), (52, 1558504), (104, 779252), (208, 389626), (416, 194813)]