256028059

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{1427}}^1$

素因数の和:1543

約数の個数: 24

約数和(自身を含む): 313383168

約数和(自身を除く): 57355109

約数列:

[1, 7, 19, 71, 133, 361, 497, 1349, 1427, 2527, 9443, 9989, 25631, 27113, 101317, 179417, 189791, 515147, 709219, 1925023, 3606029, 13475161, 36575437, 256028059]

約数ペア:

[(1, 256028059), (7, 36575437), (19, 13475161), (71, 3606029), (133, 1925023), (361, 709219), (497, 515147), (1349, 189791), (1427, 179417), (2527, 101317), (9443, 27113), (9989, 25631)]