821769884

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{74897}}^1$

素因数の和:75125

約数の個数: 24

約数和(自身を含む): 1556080848

約数和(自身を除く): 734310964

約数列:

[1, 2, 4, 13, 26, 52, 211, 422, 844, 2743, 5486, 10972, 74897, 149794, 299588, 973661, 1947322, 3894644, 15803267, 31606534, 63213068, 205442471, 410884942, 821769884]

約数ペア:

[(1, 821769884), (2, 410884942), (4, 205442471), (13, 63213068), (26, 31606534), (52, 15803267), (211, 3894644), (422, 1947322), (844, 973661), (2743, 299588), (5486, 149794), (10972, 74897)]