71406524

素因数分解:

$2^2\times 7^2\times {\mathrm{139}}^1\times {\mathrm{2621}}^1$

素因数の和:2778

約数の個数: 36

約数和(自身を含む): 146464920

約数和(自身を除く): 75058396

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 139, 196, 278, 556, 973, 1946, 2621, 3892, 5242, 6811, 10484, 13622, 18347, 27244, 36694, 73388, 128429, 256858, 364319, 513716, 728638, 1457276, 2550233, 5100466, 10200932, 17851631, 35703262, 71406524]

約数ペア:

[(1, 71406524), (2, 35703262), (4, 17851631), (7, 10200932), (14, 5100466), (28, 2550233), (49, 1457276), (98, 728638), (139, 513716), (196, 364319), (278, 256858), (556, 128429), (973, 73388), (1946, 36694), (2621, 27244), (3892, 18347), (5242, 13622), (6811, 10484)]