157420516

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{325249}}^1$

素因数の和:325275

約数の個数: 18

約数和(自身を含む): 302807750

約数和(自身を除く): 145387234

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 325249, 650498, 1300996, 3577739, 7155478, 14310956, 39355129, 78710258, 157420516]

約数ペア:

[(1, 157420516), (2, 78710258), (4, 39355129), (11, 14310956), (22, 7155478), (44, 3577739), (121, 1300996), (242, 650498), (484, 325249)]