256877446798

素因数分解:

$2^1\times 7^1\times {\mathrm{28817}}^1\times {\mathrm{636721}}^1$

素因数の和:665547

約数の個数: 16

約数和(自身を含む): 440377310304

約数和(自身を除く): 183499863506

約数列:

[1, 2, 7, 14, 28817, 57634, 201719, 403438, 636721, 1273442, 4457047, 8914094, 18348389057, 36696778114, 128438723399, 256877446798]

約数ペア:

[(1, 256877446798), (2, 128438723399), (7, 36696778114), (14, 18348389057), (28817, 8914094), (57634, 4457047), (201719, 1273442), (403438, 636721)]