990481388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{2027}}^1\times {\mathrm{9397}}^1$

素因数の和:11441

約数の個数: 24

約数和(自身を含む): 1867796112

約数和(自身を除く): 877314724

約数列:

[1, 2, 4, 13, 26, 52, 2027, 4054, 8108, 9397, 18794, 26351, 37588, 52702, 105404, 122161, 244322, 488644, 19047719, 38095438, 76190876, 247620347, 495240694, 990481388]

約数ペア:

[(1, 990481388), (2, 495240694), (4, 247620347), (13, 76190876), (26, 38095438), (52, 19047719), (2027, 488644), (4054, 244322), (8108, 122161), (9397, 105404), (18794, 52702), (26351, 37588)]