261130628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{66683}}^1$

素因数の和:66787

約数の個数: 24

約数和(自身を含む): 504131040

約数和(自身を除く): 243000412

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 66683, 133366, 266732, 733513, 1467026, 2934052, 5934787, 11869574, 23739148, 65282657, 130565314, 261130628]

約数ペア:

[(1, 261130628), (2, 130565314), (4, 65282657), (11, 23739148), (22, 11869574), (44, 5934787), (89, 2934052), (178, 1467026), (356, 733513), (979, 266732), (1958, 133366), (3916, 66683)]