256142018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{29327}}^1$

素因数の和:29737

約数の個数: 16

約数和(自身を含む): 420211584

約数和(自身を除く): 164069566

約数列:

[1, 2, 11, 22, 397, 794, 4367, 8734, 29327, 58654, 322597, 645194, 11642819, 23285638, 128071009, 256142018]

約数ペア:

[(1, 256142018), (2, 128071009), (11, 23285638), (22, 11642819), (397, 645194), (794, 322597), (4367, 58654), (8734, 29327)]