256432018

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{173}}^1\times {\mathrm{2053}}^1$

素因数の和:2266

約数の個数: 24

約数和(自身を含む): 408503628

約数和(自身を除く): 152071610

約数列:

[1, 2, 19, 38, 173, 346, 361, 722, 2053, 3287, 4106, 6574, 39007, 62453, 78014, 124906, 355169, 710338, 741133, 1482266, 6748211, 13496422, 128216009, 256432018]

約数ペア:

[(1, 256432018), (2, 128216009), (19, 13496422), (38, 6748211), (173, 1482266), (346, 741133), (361, 710338), (722, 355169), (2053, 124906), (3287, 78014), (4106, 62453), (6574, 39007)]