128213954

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{5081}}^1$

素因数の和:5162

約数の個数: 32

約数和(自身を含む): 222469632

約数和(自身を除く): 94255678

約数列:

[1, 2, 11, 22, 31, 37, 62, 74, 341, 407, 682, 814, 1147, 2294, 5081, 10162, 12617, 25234, 55891, 111782, 157511, 187997, 315022, 375994, 1732621, 2067967, 3465242, 4135934, 5827907, 11655814, 64106977, 128213954]

約数ペア:

[(1, 128213954), (2, 64106977), (11, 11655814), (22, 5827907), (31, 4135934), (37, 3465242), (62, 2067967), (74, 1732621), (341, 375994), (407, 315022), (682, 187997), (814, 157511), (1147, 111782), (2294, 55891), (5081, 25234), (10162, 12617)]