398003268

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{20089}}^1$

素因数の和:20236

約数の個数: 48

約数和(自身を含む): 1008035840

約数和(自身を除く): 610032572

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 127, 156, 254, 381, 508, 762, 1524, 1651, 3302, 4953, 6604, 9906, 19812, 20089, 40178, 60267, 80356, 120534, 241068, 261157, 522314, 783471, 1044628, 1566942, 2551303, 3133884, 5102606, 7653909, 10205212, 15307818, 30615636, 33166939, 66333878, 99500817, 132667756, 199001634, 398003268]

約数ペア:

[(1, 398003268), (2, 199001634), (3, 132667756), (4, 99500817), (6, 66333878), (12, 33166939), (13, 30615636), (26, 15307818), (39, 10205212), (52, 7653909), (78, 5102606), (127, 3133884), (156, 2551303), (254, 1566942), (381, 1044628), (508, 783471), (762, 522314), (1524, 261157), (1651, 241068), (3302, 120534), (4953, 80356), (6604, 60267), (9906, 40178), (19812, 20089)]