128426889

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 182108160

約数和(自身を除く): 53681271

約数列:

[1, 3, 37, 47, 103, 111, 141, 239, 309, 717, 1739, 3811, 4841, 5217, 8843, 11233, 11433, 14523, 24617, 26529, 33699, 73851, 179117, 415621, 537351, 910829, 1156999, 1246863, 2732487, 3470997, 42808963, 128426889]

約数ペア:

[(1, 128426889), (3, 42808963), (37, 3470997), (47, 2732487), (103, 1246863), (111, 1156999), (141, 910829), (239, 537351), (309, 415621), (717, 179117), (1739, 73851), (3811, 33699), (4841, 26529), (5217, 24617), (8843, 14523), (11233, 11433)]