66820798

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{3889}}^1$

素因数の和:3984

約数の個数: 24

約数和(自身を含む): 111751920

約数和(自身を除く): 44931122

約数列:

[1, 2, 11, 22, 71, 121, 142, 242, 781, 1562, 3889, 7778, 8591, 17182, 42779, 85558, 276119, 470569, 552238, 941138, 3037309, 6074618, 33410399, 66820798]

約数ペア:

[(1, 66820798), (2, 33410399), (11, 6074618), (22, 3037309), (71, 941138), (121, 552238), (142, 470569), (242, 276119), (781, 85558), (1562, 42779), (3889, 17182), (7778, 8591)]