638550136

素因数分解:

$2^3\times 7^1\times {\mathrm{293}}^1\times {\mathrm{38917}}^1$

素因数の和:39223

約数の個数: 32

約数和(自身を含む): 1373027040

約数和(自身を除く): 734476904

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 293, 586, 1172, 2051, 2344, 4102, 8204, 16408, 38917, 77834, 155668, 272419, 311336, 544838, 1089676, 2179352, 11402681, 22805362, 45610724, 79818767, 91221448, 159637534, 319275068, 638550136]

約数ペア:

[(1, 638550136), (2, 319275068), (4, 159637534), (7, 91221448), (8, 79818767), (14, 45610724), (28, 22805362), (56, 11402681), (293, 2179352), (586, 1089676), (1172, 544838), (2051, 311336), (2344, 272419), (4102, 155668), (8204, 77834), (16408, 38917)]