128751644

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{112153}}^1$

素因数の和:112205

約数の個数: 24

約数和(自身を含む): 263786208

約数和(自身を除く): 135034564

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 112153, 224306, 448612, 785071, 1570142, 3140284, 4598273, 9196546, 18393092, 32187911, 64375822, 128751644]

約数ペア:

[(1, 128751644), (2, 64375822), (4, 32187911), (7, 18393092), (14, 9196546), (28, 4598273), (41, 3140284), (82, 1570142), (164, 785071), (287, 448612), (574, 224306), (1148, 112153)]