639891004

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{103811}}^1$

素因数の和:103905

約数の個数: 24

約数和(自身を含む): 1185948288

約数和(自身を除く): 546057284

約数列:

[1, 2, 4, 23, 46, 67, 92, 134, 268, 1541, 3082, 6164, 103811, 207622, 415244, 2387653, 4775306, 6955337, 9550612, 13910674, 27821348, 159972751, 319945502, 639891004]

約数ペア:

[(1, 639891004), (2, 319945502), (4, 159972751), (23, 27821348), (46, 13910674), (67, 9550612), (92, 6955337), (134, 4775306), (268, 2387653), (1541, 415244), (3082, 207622), (6164, 103811)]