128786382

素因数分解:

$2^1\times 3^3\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 293068800

約数和(自身を除く): 164282418

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 89, 127, 178, 211, 254, 267, 381, 422, 534, 633, 762, 801, 1143, 1266, 1602, 1899, 2286, 2403, 3429, 3798, 4806, 5697, 6858, 11303, 11394, 18779, 22606, 26797, 33909, 37558, 53594, 56337, 67818, 80391, 101727, 112674, 160782, 169011, 203454, 241173, 305181, 338022, 482346, 507033, 610362, 723519, 1014066, 1447038, 2384933, 4769866, 7154799, 14309598, 21464397, 42928794, 64393191, 128786382]

約数ペア:

[(1, 128786382), (2, 64393191), (3, 42928794), (6, 21464397), (9, 14309598), (18, 7154799), (27, 4769866), (54, 2384933), (89, 1447038), (127, 1014066), (178, 723519), (211, 610362), (254, 507033), (267, 482346), (381, 338022), (422, 305181), (534, 241173), (633, 203454), (762, 169011), (801, 160782), (1143, 112674), (1266, 101727), (1602, 80391), (1899, 67818), (2286, 56337), (2403, 53594), (3429, 37558), (3798, 33909), (4806, 26797), (5697, 22606), (6858, 18779), (11303, 11394)]