128560912

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{195977}}^1$

素因数の和:196026

約数の個数: 20

約数和(自身を含む): 255163356

約数和(自身を除く): 126602444

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 195977, 391954, 783908, 1567816, 3135632, 8035057, 16070114, 32140228, 64280456, 128560912]

約数ペア:

[(1, 128560912), (2, 64280456), (4, 32140228), (8, 16070114), (16, 8035057), (41, 3135632), (82, 1567816), (164, 783908), (328, 391954), (656, 195977)]