81554876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{7433}}^1$

素因数の和:7661

約数の個数: 24

約数和(自身を含む): 154448784

約数和(自身を除く): 72893908

約数列:

[1, 2, 4, 13, 26, 52, 211, 422, 844, 2743, 5486, 7433, 10972, 14866, 29732, 96629, 193258, 386516, 1568363, 3136726, 6273452, 20388719, 40777438, 81554876]

約数ペア:

[(1, 81554876), (2, 40777438), (4, 20388719), (13, 6273452), (26, 3136726), (52, 1568363), (211, 386516), (422, 193258), (844, 96629), (2743, 29732), (5486, 14866), (7433, 10972)]