206564908

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{426787}}^1$

素因数の和:426813

約数の個数: 18

約数和(自身を含む): 397339628

約数和(自身を除く): 190774720

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 426787, 853574, 1707148, 4694657, 9389314, 18778628, 51641227, 103282454, 206564908]

約数ペア:

[(1, 206564908), (2, 103282454), (4, 51641227), (11, 18778628), (22, 9389314), (44, 4694657), (121, 1707148), (242, 853574), (484, 426787)]