1388403412

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1223}}^1\times {\mathrm{25801}}^1$

素因数の和:27039

約数の個数: 24

約数和(自身を含む): 2652858432

約数和(自身を除く): 1264455020

約数列:

[1, 2, 4, 11, 22, 44, 1223, 2446, 4892, 13453, 25801, 26906, 51602, 53812, 103204, 283811, 567622, 1135244, 31554623, 63109246, 126218492, 347100853, 694201706, 1388403412]

約数ペア:

[(1, 1388403412), (2, 694201706), (4, 347100853), (11, 126218492), (22, 63109246), (44, 31554623), (1223, 1135244), (2446, 567622), (4892, 283811), (13453, 103204), (25801, 53812), (26906, 51602)]