31809316

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{743}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 69995520

約数和(自身を除く): 38186204

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 139, 154, 278, 308, 556, 743, 973, 1486, 1529, 1946, 2972, 3058, 3892, 5201, 6116, 8173, 10402, 10703, 16346, 20804, 21406, 32692, 42812, 57211, 103277, 114422, 206554, 228844, 413108, 722939, 1136047, 1445878, 2272094, 2891756, 4544188, 7952329, 15904658, 31809316]

約数ペア:

[(1, 31809316), (2, 15904658), (4, 7952329), (7, 4544188), (11, 2891756), (14, 2272094), (22, 1445878), (28, 1136047), (44, 722939), (77, 413108), (139, 228844), (154, 206554), (278, 114422), (308, 103277), (556, 57211), (743, 42812), (973, 32692), (1486, 21406), (1529, 20804), (1946, 16346), (2972, 10703), (3058, 10402), (3892, 8173), (5201, 6116)]