202179868

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{417727}}^1$

素因数の和:417753

約数の個数: 18

約数和(自身を含む): 388904768

約数和(自身を除く): 186724900

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 417727, 835454, 1670908, 4594997, 9189994, 18379988, 50544967, 101089934, 202179868]

約数ペア:

[(1, 202179868), (2, 101089934), (4, 50544967), (11, 18379988), (22, 9189994), (44, 4594997), (121, 1670908), (242, 835454), (484, 417727)]