209952908

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{433787}}^1$

素因数の和:433813

約数の個数: 18

約数和(自身を含む): 403856628

約数和(自身を除く): 193903720

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 433787, 867574, 1735148, 4771657, 9543314, 19086628, 52488227, 104976454, 209952908]

約数ペア:

[(1, 209952908), (2, 104976454), (4, 52488227), (11, 19086628), (22, 9543314), (44, 4771657), (121, 1735148), (242, 867574), (484, 433787)]