1581636

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1024

約数の個数: 48

約数和(自身を含む): 4444160

約数和(自身を除く): 2862524

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 991, 1596, 1982, 2973, 3964, 5946, 6937, 11892, 13874, 18829, 20811, 27748, 37658, 41622, 56487, 75316, 83244, 112974, 131803, 225948, 263606, 395409, 527212, 790818, 1581636]

約数ペア:

[(1, 1581636), (2, 790818), (3, 527212), (4, 395409), (6, 263606), (7, 225948), (12, 131803), (14, 112974), (19, 83244), (21, 75316), (28, 56487), (38, 41622), (42, 37658), (57, 27748), (76, 20811), (84, 18829), (114, 13874), (133, 11892), (228, 6937), (266, 5946), (399, 3964), (532, 2973), (798, 1982), (991, 1596)]