11980376

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{643}}^1$

素因数の和:803

約数の個数: 32

約数和(自身を含む): 23995440

約数和(自身を除く): 12015064

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 137, 274, 548, 643, 1096, 1286, 2329, 2572, 4658, 5144, 9316, 10931, 18632, 21862, 43724, 87448, 88091, 176182, 352364, 704728, 1497547, 2995094, 5990188, 11980376]

約数ペア:

[(1, 11980376), (2, 5990188), (4, 2995094), (8, 1497547), (17, 704728), (34, 352364), (68, 176182), (136, 88091), (137, 87448), (274, 43724), (548, 21862), (643, 18632), (1096, 10931), (1286, 9316), (2329, 5144), (2572, 4658)]