128518888

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{44501}}^1$

素因数の和:44545

約数の個数: 24

約数和(自身を含む): 254328930

約数和(自身を除く): 125810042

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 361, 722, 1444, 2888, 44501, 89002, 178004, 356008, 845519, 1691038, 3382076, 6764152, 16064861, 32129722, 64259444, 128518888]

約数ペア:

[(1, 128518888), (2, 64259444), (4, 32129722), (8, 16064861), (19, 6764152), (38, 3382076), (76, 1691038), (152, 845519), (361, 356008), (722, 178004), (1444, 89002), (2888, 44501)]