721640104

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{619}}^1\times {\mathrm{3389}}^1$

素因数の和:4057

約数の個数: 32

約数和(自身を含む): 1387188000

約数和(自身を除く): 665547896

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 619, 1238, 2476, 3389, 4952, 6778, 13556, 26617, 27112, 53234, 106468, 145727, 212936, 291454, 582908, 1165816, 2097791, 4195582, 8391164, 16782328, 90205013, 180410026, 360820052, 721640104]

約数ペア:

[(1, 721640104), (2, 360820052), (4, 180410026), (8, 90205013), (43, 16782328), (86, 8391164), (172, 4195582), (344, 2097791), (619, 1165816), (1238, 582908), (2476, 291454), (3389, 212936), (4952, 145727), (6778, 106468), (13556, 53234), (26617, 27112)]