128465636

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{25469}}^1$

素因数の和:25583

約数の個数: 24

約数和(自身を含む): 244613880

約数和(自身を除く): 116148244

約数列:

[1, 2, 4, 13, 26, 52, 97, 194, 388, 1261, 2522, 5044, 25469, 50938, 101876, 331097, 662194, 1324388, 2470493, 4940986, 9881972, 32116409, 64232818, 128465636]

約数ペア:

[(1, 128465636), (2, 64232818), (4, 32116409), (13, 9881972), (26, 4940986), (52, 2470493), (97, 1324388), (194, 662194), (388, 331097), (1261, 101876), (2522, 50938), (5044, 25469)]